The Email Deliverability Glossary

A/B testing, or split testing, is a method of experimentation used in marketing, product development, and various other fields to compare two versions (A and B) of a variable to determine which one performs better.

Abuse complaints typically refer to notifications or reports submitted by individuals who believe that they have experienced or witnessed abusive behavior, violations of terms of service, or inappropriate conduct. These complaints can be related to various contexts, including online platforms, social media, email services, or other digital communication channels.

Audience segmentation is a marketing strategy that divides a target audience into distinct and homogeneous groups based on certain criteria. Audience segmentation aims to tailor marketing messages, content, and strategies to specific subgroups within a larger audience.

The Australian Spam Act of 2003 is a piece of legislation in Australia that regulates the sending of commercial electronic messages, including email, SMS (Short Message Service), and instant messaging. The primary purpose of the Spam Act is to reduce the impact of spam and unsolicited electronic messages on Australian consumers and businesses.

Authentication keys, also known as security keys or cryptographic keys, are codes or strings of characters used in authentication processes to verify the identity of a user, device, or system.

Authentication protocols are sets of rules and conventions that govern the secure and standardized exchange of information between parties involved in an authentication process.

An autoresponder is a software tool or feature that automatically sends a pre-written message or a series of messages in response to specific triggers or events.

Automated email warm-up refers to the process of gradually increasing the sending volume of automated or marketing emails to a list of subscribers over a period of time.

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The Barracuda Blacklist is a collection of IP addresses that Barracuda identifies as sources of spam or other malicious activities.

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Behavioral targeting is a digital advertising strategy that involves using data collected from users' online behavior to deliver more personalized and targeted advertisements.

A behavioral trigger refers to a specific action, event, or set of conditions that prompts an automated response or campaign based on an individual's behavior.

Brand Indicators for Message Identification (BIMI) is an email authentication and verification standard designed to improve email security and promote brand trust in email communications.

A BIMI (Brand Indicators for Message Identification) record is a DNS (Domain Name System) record that organizations can publish to indicate their participation in the BIMI initiative.

Blackhat tactics refer to unethical or malicious strategies and techniques used in various fields, often with the intent to deceive, exploit, or manipulate systems, individuals, or organizations for personal gain.

A blacklist is a list of entities, items, or individuals that are deemed undesirable, prohibited, or excluded from a particular system or service.

A blocklist is a list of entities, such as IP addresses, domains, or email addresses, that are identified as sources of unwanted or harmful activities and are subsequently blocked or restricted from accessing certain services, systems, or networks.

Blocklisting, often known as blacklisting, is a practice where email servers or services prevent an email sender's domain or IP address from delivering messages to their users.

Bot Filtering refers to the methods and technologies used to identify and eliminate non-human traffic from datasets and email lists.

Bounce rate refers to the percentage of email messages that are not successfully delivered to recipients' inboxes and are returned or "bounced" back to the sender.

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Bulk email refers to the sending of large quantities of email, typically for marketing or promotional purposes.

A bulk sender refers to an individual or organization that sends large quantities of email at once. These senders typically use specialized software or services to manage and distribute their emails to a broad audience, often for marketing purposes, newsletters, or notifications.

A bulk sender agreement is a contract entered into by a company that sends large volumes of email (a ‘bulk sender’) and an email service provider (ESP).

A Call-To-Action (CTA) refers to a button, link, image, or some form of a prompt within an email or on a website that encourages the recipient or viewer to take a specific action.

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Canada's Anti-Spam Legislation (CASL) is a law that sets the rules for sending commercial electronic messages (CEMs) and installing computer programs. It applies to all electronic messaging that is accessed by a computer system in Canada, and it is relevant in fields like Software as a Service (SaaS) and email marketing to ensure high email deliverability standards.

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Campaign monitoring refers to the systematic process of tracking and analyzing the performance and effectiveness of email marketing campaigns.

Caching refers to temporarily storing data for quicker access upon future requests. In Software as a Service (SaaS) platforms, and is often implemented to improve the speed and performance of the service.

The CAN-SPAM Act, which stands for "Controlling the Assault of Non-Solicited Pornography and Marketing," is a law enacted in the United States in 2003 that sets the rules for commercial email and messages. It establishes requirements for commercial messages, grants recipients the right to have businesses stop emailing them, and spells out tough penalties for violations.

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CAN-SPAM Act compliance means adhering to the set guidelines when sending commercial messages.

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Click fraud refers to the deceptive practice of repeatedly clicking on a paid advertisement link, such as a pay-per-click (PPC) advertisement, with the intent of incurring charges or expenses for the advertiser without any genuine interest in the offer.

Click Map refers to a visual representation that shows where users have clicked within an email campaign. It often displays the email layout and highlights the areas with the most clicks using color coding or heat points.

Click-To-Open-Rate (CTOR) is a metric used primarily in marketing, and it measures the effectiveness of an email campaign by calculating the percentage of recipients who, after opening an email, click on one or more links contained within that email.

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Click-Through Rate (CTR) is a metric used to measure the effectiveness of online advertising campaigns, email marketing campaigns, and website interfaces. It is expressed as a percentage and calculated by dividing the number of clicks that a link or call-to-action (CTA) receives by the number of times the associated ad, email, or web element is shown, multiplying the result by 100.

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A cold email is a type of unsolicited email that is sent to a recipient without prior contact or permission. Unlike spam, cold emails are often personalized and targeted toward potential customers who have been researched or fit certain criteria relevant to the product or service being offered.

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Cold email deliverability refers to the ability of a sender to successfully deliver cold emails to recipients' inboxes without being marked as spam.

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Cold email metrics are key performance indicators (KPIs) that businesses and marketers use to measure the effectiveness of their cold email campaigns.

Cold email outreach refers to the practice of reaching out to potential customers or clients who have not expressed prior interest in the product or service being offered.

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Cold email subject line refers to the specific text used in the subject field of an unsolicited email outreach message. It seeks to capture the prospect's attention and encourage them to open the email.

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A cold email template is a pre-designed and standardized format for crafting unsolicited email messages targeted at potential customers or clients who have not previously engaged with the sender.

A compliance audit refers to a systematic examination and evaluation of an organization's adherence to regulatory requirements, industry standards, and best practices related to both SaaS operations and email communication.

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Content filtering is the process of evaluating and managing digital content based on predefined criteria. It involves the examination of email content to identify and filter out messages that may be considered spam or that violate established policies.

Content personalization refers to the customization of digital content, such as software interfaces or email messages, to deliver to individual users or specific audience segments.

Conversion rate is the percentage of users or recipients who take a desired action, such as making a purchase, signing up for a trial, or clicking on a link, out of the total number of interactions or email recipients.

Conversion tracking is the method of monitoring and measuring the effectiveness of marketing efforts by tracking and analyzing user actions that align with predefined goals, such as sign-ups, purchases, or other desired outcomes.

CRM integration refers to the process of connecting a SaaS application with a Customer Relationship Management (CRM) system to enable seamless data exchange, synchronization, and collaboration between the two platforms.

Dedicated IP refers to an exclusive Internet Protocol (IP) address assigned solely to a particular sender or entity for sending email communications.

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Dedicated sending domain refers to a unique domain exclusively used by a specific sender or organization for sending email communications. This practice is used to establish and maintain a distinct sender reputation associated with that domain, which can positively impact email deliverability.

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Delivery rate is the percentage of sent emails that successfully reach the intended recipients' inboxes without bouncing or being marked as spam.

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Deliverability audit refers to a comprehensive examination and assessment of an organization's email sending practices, infrastructure, and overall strategy.

Deliverability monitoring is the ongoing process of systematically tracking, analyzing, and assessing the success and effectiveness of email delivery to recipients' inboxes.

Deliverability rate is the percentage of sent emails that successfully reach the recipients' inboxes, taking into account factors such as bounces, spam filtering, and other obstacles that may prevent emails from being delivered.

DKIM (DomainKeys Identified Mail) is an email authentication method that allows the sender to digitally sign emails using a private key. Recipients can then verify the authenticity of the email by checking the signature against a public key published in the sender's DNS (Domain Name System) records.

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DMARC (Domain-based Message Authentication, Reporting, and Conformance) is an email authentication and reporting protocol that allows email senders to instruct email providers on how to handle unauthenticated emails, providing a way to reduce email spoofing and phishing attacks.

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DNS MX Record is a type of Domain Name System (DNS) record that specifies the mail servers responsible for receiving email on behalf of a domain. MX stands for Mail Exchange, and these records play a crucial role in routing emails to the correct mail servers associated with the domain, facilitating the proper delivery of email messages.

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Domain authority refers to the measure of a domain's credibility, trustworthiness, and overall reputation, particularly in the context of online marketing and search engine optimization (SEO).

DomainKeys refer to a deprecated email authentication method that aimed to verify the authenticity of an email message's sender and detect email spoofing.

Domain protection refers to the implementation of measures and strategies to safeguard a domain from unauthorized use, abuse, or malicious activities.

Domain reputation is an evaluation of the trustworthiness, reliability, and overall quality of a domain based on its historical behavior and practices.

Drip campaign refers to a method of automated email marketing where a series of pre-scheduled, targeted emails are sent to individuals over a specified period.

Email alias refers to an alternative email address that forwards messages to a primary email account. It allows users to create unique, disposable, or role-specific email addresses without having to set up separate mailboxes.

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Email analytics is the process of collecting and analyzing data from email campaigns to evaluate their performance. It involves tracking metrics such as open rates, click-through rates, and other key indicators to gain insights into user engagement and the effectiveness of email marketing efforts.

Email authentication refers to the process of verifying the legitimacy and origin of an email message.

Email authentication methods are techniques and protocols used to verify the legitimacy and origin of email messages. Common email authentication methods include SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting, and Conformance).

Email authentication records are specific DNS (Domain Name System) records created and maintained by domain owners to support email authentication methods such as SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting, and Conformance).

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Email authentication records are specific DNS (Domain Name System) records created and maintained by domain owners to support email authentication methods such as SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting, and Conformance).

Email automation refers to the use of technology and software to streamline and automate the process of sending targeted and personalized email messages based on predefined triggers, events, or user interactions.

Email automation tools are software solutions designed to facilitate the automation of email marketing processes. These tools enable businesses to set up and execute automated email campaigns, autoresponders, and drip sequences.

Email blast refers to the mass sending of a single email message to a large group of recipients simultaneously. It is a one-time, bulk distribution of an email campaign to a broad audience and is often used for announcements, promotions, or other communications intended for a wide reach.

Email campaign refers to a coordinated series of email messages sent to a targeted group of recipients with the aim of achieving specific marketing goals.

Email campaign management refers to the systematic planning, execution, and monitoring of email marketing initiatives. This process involves creating, scheduling, and analyzing email campaigns to achieve specific marketing objectives.

Email client refers to a software application or web-based service that allows users to access and manage their email accounts.

Email compliance refers to the adherence to legal and industry standards, regulations, and best practices governing the sending of email communications.

Email content filtering refers to the automated process of inspecting the content of incoming or outgoing emails and applying predefined rules to determine whether the email should be allowed, blocked, or flagged for further review.

Email copywriting refers to the process of crafting compelling and persuasive written content for email marketing campaigns.

Email deliverability refers to the ability of an email message to successfully reach the intended recipient's inbox without being bounced or filtered out by spam filters.

An email deliverability expert is an individual with specialized knowledge and experience in optimizing email deliverability rates.

Email deliverability testing is the process of systematically evaluating and assessing the likelihood of email messages successfully reaching recipients' inboxes.

Email delivery refers to the successful transmission of an email message from the sender's email server to the recipient's email server.

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Email design refers to the visual and structural arrangement of an email message's content, including layout, typography, colors, images, and branding elements.

Email drip sequence is a series of automated and pre-scheduled email messages sent to recipients over a predetermined period. This sequence is designed to deliver targeted content and nurture leads or prospects through various stages of the customer journey.

Email engagement refers to the level of interaction and response that recipients demonstrate with email messages, typically measured by metrics such as open rates, click-through rates, and other forms of engagement such as replies or forwards.

Email firewall refers to a security measure implemented to protect email systems from unauthorized access, spam, malware, and other malicious threats.

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Email header refers to the section of an email message that contains metadata and routing information, including details such as the sender and recipient email addresses, subject line, date and time of transmission, and information about the email servers involved in the delivery process.

Email header analysis refers to the examination and interpretation of the metadata and routing information contained within an email's header section.

Email health score refers to a numerical rating or assessment that measures the overall quality and performance of an email sender's reputation and email marketing practices.

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Email infrastructure refers to the underlying technical architecture and components that enable the sending, receiving, and processing of email messages.

Email list building refers to the process of systematically and ethically growing a database of email addresses belonging to individuals who have opted in to receive communications from a company or individual.

Email list management refers to the process of organizing, segmenting, and maintaining a database of email addresses collected from subscribers or customers.

Email list hygiene refers to the practice of regularly cleaning and maintaining an email list to ensure its accuracy, relevance, and effectiveness.

Email marketing refers to the strategic use of email messages to promote products, services, or content, engage with customers or subscribers, and build relationships with an audience.

Email marketing automation refers to the use of software and technology to streamline and automate the process of sending targeted and personalized email messages to subscribers or customers based on predefined triggers, events, or user behaviors.

Email marketing metrics are quantitative measures used to evaluate the performance and effectiveness of email marketing campaigns.

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Email metrics are quantitative measures used to evaluate the performance and effectiveness of email marketing campaigns. These metrics include key indicators such as open rates, click-through rates, bounce rates, conversion rates, and other engagement metrics that provide insights into how recipients interact with email messages.

Email outreach refers to the practice of emailing potential customers, clients, or contacts to initiate or nurture relationships, promote products or services, or share valuable content.

Email personalization refers to the practice of customizing email content, subject lines, and other elements to suit the individual preferences, interests, and characteristics of recipients.

Email placement refers to the location or position of an email message within a recipient's inbox or email client interface.

Email recovery refers to the process of recovering and restoring email deliverability and sender reputation after experiencing issues such as being blacklisted, having emails flagged as spam, or encountering other deliverability challenges.

Email regulation refers to the set of laws, rules, and guidelines governing the sending and receiving of commercial email messages.

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Email rendering refers to the process of displaying an email message's content, including text, images, and formatting, in the recipient's email client or browser.

Email reputation refers to the perception and assessment of the sender's trustworthiness, reliability, and sending practices by email service providers and recipients.

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Email Return-On-Investment (ROI) refers to the measurement of the profitability and effectiveness of an email marketing campaign in generating revenue or achieving business goals relative to the resources invested in the campaign.

Email segmentation refers to the practice of dividing an email subscriber list into smaller, targeted groups based on shared characteristics or behaviors.

Email segmentation strategies are the approaches and techniques to divide an email subscriber list into more minor, targeted segments based on specific criteria or characteristics.

Email sending limits refer to restrictions imposed by email service providers or email marketing platforms on the number of emails that can be sent within a specified timeframe.

Email-sending patterns refer to the frequency, timing, and consistency with which email messages are sent to recipients over time.

An email service provider (ESP) is a company or platform that offers email marketing and delivery services to businesses and organizations. ESPs provide tools and features for creating, sending, and managing email campaigns and monitoring and analyzing email performance.

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An email signature is a block of text or HTML code appended to the end of an email message containing the sender's contact information, branding elements, and other relevant details.

Email sourcing refers to the process of obtaining or acquiring email addresses from various sources for use in email marketing or outreach campaigns.

Email spoofing refers to the fraudulent practice of forging or falsifying the sender's email address in an attempt to deceive recipients into believing that the email is from a legitimate source.

An email subdomain is specifically designated for email communication, typically separated from a company or organization's main domain.

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Email subject line testing refers to systematically evaluating and comparing different variations of subject lines used in email marketing campaigns to determine which ones perform best regarding open rates, click-through rates, and other engagement metrics.

Email targeting refers to customizing email marketing campaigns to specific segments of an audience based on various criteria such as demographics, interests, behaviors, or past interactions.

Email template refers to a pre-designed layout or format for creating email messages that can be customized with content such as text, images, and links.

Email template design refers to the process of creating visually appealing and functional layouts or formats for email messages.

Email throttling refers to the practice of intentionally limiting the rate at which email messages are sent from a mail server or email marketing platform. This is done to regulate the flow of outgoing emails and prevent the server from being overwhelmed or flagged as a source of spam by email service providers.

Email verification refers to the process of confirming the validity and legitimacy of an email address to ensure that it belongs to a real user or recipient.

An email verification tool is a software application or online service designed to verify the validity and legitimacy of email addresses in bulk.

Email volume is the total number of emails sent by an organization or sender within a specific timeframe, such as a day, week, or month.

Email warm-up refers to the gradual process of establishing and building sender reputation by gradually increasing the volume and frequency of emails sent over time.

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An email warm-up plan is a strategic approach to gradually increasing email sending volume and frequency over time to establish and improve sender reputation.

Engagement metrics are quantitative measures used to assess the level of interaction and response that recipients demonstrate with email messages or other digital content.

Engagement rate is a metric that measures the level of interaction and responsiveness of recipients with email messages or other digital content, expressed as a percentage.

ESP authentication refers to the process by which an Email Service Provider (ESP) authenticates its clients or users to ensure they are authorized to send email on behalf of their domains.

ESP reputation refers to an Email Service Provider's perceived trustworthiness and reliability (ESP) as assessed by email service providers (ESPs) and inbox providers.

Feedback loop (FBL) refers to a mechanism provided by email service providers (ESPs) that allows senders to receive notifications or feedback when their emails are marked as spam or junk by recipients.

FBL (Feedback Loop) Analysis refers to the process of reviewing and analyzing feedback loop data provided by email service providers (ESPs) to identify trends, patterns, and issues related to spam complaints and email deliverability.

Follow-up email refers to a subsequent email message sent to a recipient after an initial interaction or communication, typically to follow up on a previous conversation, request, or action.

Forwarding rate refers to the percentage of email recipients who forward a particular email message to others after receiving it. This indicates the level of engagement and interest in the content of the email, as recipients are more likely to forward messages that they find valuable or relevant.

Gateway server refers to a server or software component that serves as an intermediary between email senders and recipients, responsible for routing, filtering, and processing email traffic.

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GDPR compliance refers to the adherence to the General Data Protection Regulation (GDPR), a comprehensive data protection and privacy law in the European Union (EU).

Generic email refers to an email address that is not associated with a specific individual but rather corresponds to a role or department within an organization.

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Gmail is a popular email service provided by Google, offering users access to email communication through web-based interfaces, mobile apps, and desktop clients.

Gmail deliverability refers to the ability of an email sender to successfully deliver emails to recipients' Gmail inboxes without being filtered out as spam or promotions.

Gmail sending limits refer to the maximum number of emails that a Gmail account or sender can send within a specified timeframe, as imposed by Google.

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GoDaddy offers domain name registration services, website hosting, website builders, email hosting, and various other online tools and services to individuals, businesses, and organizations.

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Formerly known as G Suite, Google Workspace includes applications such as Gmail, Google Drive, Google Calendar, Google Docs, Google Sheets, Google Slides, Google Meet, and others. It offers businesses and organizations complete tools for email communication, document management, project collaboration, and video conferencing, all hosted on Google's secure and reliable cloud infrastructure.

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Graymail refers to email messages that are not strictly classified as either spam or legitimate marketing communications but fall somewhere in between.

Greylisting is a technique used by email servers to combat spam by temporarily rejecting incoming emails from unknown or suspicious senders.

Hard bounce refers to the failure of an email message to be delivered to a recipient due to a permanent and unrecoverable reason.

Heatmap analysis refers to the process of visually representing and analyzing data using a heatmap, a graphical representation that uses color-coded cells to indicate the intensity or frequency of certain metrics or behaviors.

Hotmail refers to one of the earliest web-based email services, launched by Microsoft in 1996. It was among the first services to offer free email accounts accessible through a web browser, revolutionizing the way people communicated online.

HTML email refers to an email message that is formatted using Hypertext Markup Language (HTML), allowing for the inclusion of images, links, formatting, and styling elements similar to a web page.

Inbox placement refers to the successful delivery of an email message to a recipient's inbox, as opposed to being filtered out as spam or being placed in a separate folder such as the promotions or spam folder.

Inboxing refers to the successful delivery of an email message to a recipient's primary inbox, where it is prominently displayed and more likely to be seen and engaged with by the recipient.

An internet service provider (ISP) is a company or organization that provides Internet access and related services to consumers, businesses, and other entities.

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The IP address refers to a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol (IP) for communication.

The IP address refers to a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol (IP) for communication.

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IP warm-up refers to the gradual process of establishing a positive sender reputation for a new or recently used IP address before sending a high volume of emails.

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A lead capture form is online to collect contact information and other relevant details from individuals who have expressed interest in a product, service, or offering.

Lead generation refers to identifying and attracting potential customers or prospects who have shown interest in a product, service, or offering, to convert them into paying customers.

Lead nurturing refers to the process of building relationships with potential customers or prospects who have shown interest in a product, service, or offering. The goal is to guide them through the sales funnel and ultimately convert them into paying customers.

Lead scoring refers to the process of assigning a numerical value or score to leads based on their characteristics, behaviors, and interactions with a company or brand.

Link tracking refers to the process of monitoring and analyzing the performance of hyperlinks included in email messages, websites, or other digital content.

List cleaning refers to the process of removing invalid, outdated, or inactive email addresses from an email marketing or contact list.

List growth refers to the process of increasing the size and quality of an email marketing or contact list by adding new subscribers or contacts.

List management refers to the ongoing process of organizing, segmenting, and maintaining an email marketing or contact list to ensure its accuracy, relevance, and effectiveness.

List nurturing refers to the process of engaging and building relationships with subscribers on an email marketing list over time.

List purchase refers to the practice of acquiring email marketing lists or contact databases from third-party vendors or sources, typically in exchange for a fee. These lists contain contact information such as email addresses, names, and possibly other demographic data, and are often used by businesses or marketers to expand their reach and target new prospects or customers.

However, list purchase is often considered a controversial practice in email marketing due to the potential risks involved, including low-quality or outdated data, lack of consent from recipients, and the potential for violating data protection regulations such as GDPR or CAN-SPAM.

List scrubbing refers to the process of thoroughly cleaning and updating an email marketing or contact list to ensure its accuracy, quality, and compliance with relevant regulations.

List segmentation refers to the practice of dividing an email marketing or contact list into smaller, targeted segments based on specific criteria or attributes.

Mail merge refers to the process of automatically personalizing and customizing email messages by merging a template with a database of recipient information.

Mail Transfer Agent (MTA) refers to a software application or component responsible for routing and transferring email messages between mail servers.

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A mailbox provider is a company or organization that operates an email service and provides users with email hosting and management services.

Mailbox placement refers to the location within a recipient's email inbox where an incoming email message is delivered.

A mail server refers to a computer server that is responsible for sending, receiving, and storing email messages. It operates using standard email protocols such as SMTP (Simple Mail Transfer Protocol) for sending emails and POP3 (Post Office Protocol) or IMAP (Internet Message Access Protocol) for receiving and retrieving emails from mailboxes.

Manual email warm-up refers to the process of gradually increasing the volume and frequency of outgoing email sends from a new or dormant email sending domain or IP address to establish a positive sender reputation and improve deliverability rates.

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Marketing CRM refers to a Customer Relationship Management (CRM) system specifically designed to support and enhance marketing efforts.

Multi-channel marketing is a marketing strategy involving multiple communication channels to reach and engage with target audiences.

Multivariate testing is a method of testing multiple variations of elements within a webpage, email, or other digital asset simultaneously to determine which combination produces the best outcome, such as higher conversion rates or engagement metrics.

MX record refers to a type of DNS (Domain Name System) record that specifies the mail servers responsible for receiving email messages on behalf of a domain.

Newsletter refers to a regularly distributed email publication sent by businesses or individuals to subscribers who have opted in to receive updates, news, promotions, or other relevant content.

Open-time personalization refers to a dynamic email marketing technique where email content is customized and tailored to each recipient at the moment they open the email.

Open rate is the percentage of recipients who open a particular email campaign out of the total number of emails delivered.

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Opt-in refers to individuals' explicit action to voluntarily subscribe or agree to receive communications, such as emails or newsletters, from a specific sender or organization.

Opt-out refers to the process by which individuals can choose to unsubscribe or stop receiving communications from a specific sender or organization, such as emails or newsletters.

Outreach strategy refers to a systematic plan or approach businesses use to proactively engage with potential customers, influencers, or other stakeholders toto build relationships, generate leads, and promote their products or services.

Permission-based marketing is a marketing approach that involves obtaining explicit consent from individuals before sending them promotional or marketing messages.

Personalization tokens refer to placeholders or variables within an email or marketing message that are dynamically replaced with personalized information for each recipient.

Personalized email campaigns refer to targeted email marketing efforts that are customized and tailored to individual recipients based on their preferences, behavior, and demographics.

Phishing refers to a fraudulent attempt to obtain sensitive information, such as usernames, passwords, or financial data, by disguising it as a trustworthy entity in electronic communication, typically through email.

Phishing attacks are malicious attempts to deceive individuals into disclosing sensitive information, such as login credentials, financial details, or personal data, by posing as a trustworthy entity in electronic communication, typically through email.

Predictive analytics uses advanced data analysis techniques and algorithms to predict future outcomes or trends based on historical data and patterns.

Pre-header text refers to the brief snippet of text that appears at the very top of an email, typically right after the subject line, in the recipient's inbox preview.

Preview pane refers to the section within an email client interface that displays a preview of the email content before the recipient opens it.

RBL (Real-time Blackhole List) refers to a database of IP addresses known for sending spam or malicious email.

Reputation management refers to the practice of monitoring, maintaining, and improving the online reputation of a business, brand, or individual.

Responsive email design refers to the practice of creating email templates that dynamically adjust their layout, formatting, and content based on the device and screen size of the recipient.

Reverse DNS lookup is a process used to verify the authenticity of an IP address by mapping it to a domain name.

Sales CRM refers to a Customer Relationship Management (CRM) software specifically designed to streamline and optimize sales-related processes within an organization.

Seed list refers to a predefined list of email addresses used for testing and monitoring email campaigns.

Seed testing refers to the process of sending test emails to a predetermined list of seed addresses before launching an email campaign to the full subscriber list.

Sender authentication is the process of verifying the legitimacy of an email sender to prevent email spoofing and improve the chances of email deliverability.

Sender ID refers to an email authentication protocol used to verify the origin of an email message. It works by checking the domain name provided in the "MAIL FROM" field against a list of authorized sending domains.

Sender Identity refers to the verified identity of the sender of an email message. It uses authentication methods like SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting, and Conformance) to verify that the sender's domain is real and allowed to send emails.

Sender Policy Framework (SPF) is an email authentication protocol that helps prevent email spoofing and phishing attacks by allowing domain owners to specify which mail servers are authorized to send emails on behalf of their domain.

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Sender reputation refers to the perceived trustworthiness and credibility of an email sender's domain or IP address by email service providers and recipient mail servers.

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Sender score is a numerical rating assigned to an email sender based on various factors such as sending reputation, email engagement metrics, and compliance with email industry best practices.

Sender verification refers to the process of confirming the authenticity and legitimacy of an email sender's identity and domain.

Sending domain refers to the domain name associated with the sender's email address.

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Sending IP refers to the unique numerical address assigned to a mail server that sends out emails.

Sending frequency refers to the rate at which emails are sent from a particular sender or domain over a specific period.

Shared IP refers to an IP address used by multiple senders to distribute their email campaigns, in contrast to a dedicated IP, where one sender has exclusive use of the IP address, a shared IP is utilized by multiple senders simultaneously.

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SMART goals are objectives that are Specific, Measurable, Achievable, Relevant, and Time-bound. This framework helps businesses and marketers set clear and actionable goals to guide their efforts effectively.

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SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending and receiving emails over the internet. It is responsible for the transmission of emails between servers, enabling the exchange of electronic messages across networks.

SMTP warm-up refers to the gradual process of establishing a positive reputation for a new or underutilized IP address used for sending emails.

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Soft Bounce refers to a temporary failure to deliver an email message to the recipient's inbox.

Unlike hard bounces, which are typically caused by permanent issues such as invalid email addresses, soft bounces occur due to temporary problems like a full mailbox or a temporary issue with the recipient's email server.

SORBS spam blacklist refers to a widely used blacklist maintained by the Spam and Open Relay Blocking System (SORBS). It identifies IP addresses known to send spam or engage in other malicious activities.

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Spam refers to unsolicited or unwanted emails sent in bulk to recipients who have not explicitly opted in to receive them. These emails often contain promotional content, advertisements, or fraudulent messages.

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SpamAssassin is a widely used open-source spam filter designed to identify and block spam emails.

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Spam complaint rate refers to the percentage of recipients who mark an email as spam or junk after receiving it. This metric is crucial for assessing the quality of email campaigns and sender reputation.

Spam compliance refers to adhering to regulations and best practices to prevent sending unsolicited or unwanted emails.

SpamCop is a widely used spam reporting service that identifies and reports spam emails to internet service providers (ISPs) and email administrators.

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Spam filter refers to a software or service designed to detect and prevent unsolicited or unwanted emails, commonly known as spam, from reaching users' inboxes.

Spam folder is a designated location within an email account where incoming messages identified as spam or unsolicited are automatically diverted by the email service provider's spam filter.

SpamRats refers to a blacklist service that monitors and identifies IP addresses associated with spamming activities.

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Spam Score refers to a numerical or categorical rating assigned to an email based on various factors that indicate its likelihood of being perceived as spam by email filters.

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Spam traps are email addresses specifically created to catch and identify senders who engage in unsolicited or spammy email practices.

Spam-trigger words are specific terms or phrases that, when used excessively or inappropriately in email content, can trigger spam filters and decrease email deliverability.

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A SPF record, short for Sender Policy Framework record, is a DNS (Domain Name System) record that helps prevent email spoofing and phishing attacks by specifying which mail servers are authorized to send emails on behalf of a specific domain.

A spoofed email is an email that appears to be sent from a legitimate source but is actually crafted by a malicious actor with the intent to deceive recipients.

Subject line refers to the brief text that summarizes the content or purpose of an email. It serves as the first point of contact with recipients, influencing whether they open the email or not.

Subscriber acquisition refers to the process of attracting and adding new individuals or entities to an email list or subscriber database.

Subscriber engagement refers to the level of interaction and activity demonstrated by individuals or entities who have opted to receive emails from a particular brand or organization.

Subscriber segmentation refers to the practice of categorizing an email list into distinct groups based on specific criteria such as demographics, interests, behaviors, or engagement levels.

A suppression list is a compilation of email addresses that have been flagged for exclusion from future email marketing campaigns.

Survey tools are software applications that enable businesses to gather valuable feedback from their customers, subscribers, or target audience through structured questionnaires or forms sent via email.

The target audience refers to the specific group of individuals or entities identified based on various demographic, geographic, psychographic, or behavioral characteristics that align with the company's objectives and that it aims to reach with its products, services, or marketing communications.

Targeted email marketing refers to the practice of sending personalized and relevant email campaigns to specific segments of subscribers based on their preferences, behavior, or demographics.

A test email is a trial message sent to verify the appearance, functionality, and deliverability of an email campaign before sending it to the intended recipients.

Time-of-day sending refers to the practice of scheduling email campaigns to be delivered at specific times of the day when recipients are most likely to engage with them.

Total link clicks represent the cumulative number of times recipients have clicked on links within an email campaign.

Total opens refer to the overall count of times an email has been opened or viewed by recipients. This metric is crucial for assessing the reach and engagement of an email campaign.

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A transactional email is a message triggered by a specific action or transaction initiated by a user, such as account registration, password reset, purchase confirmation, or shipping notification.

Unique opens refer to the number of individual recipients who have opened an email at least once, regardless of how many times they may have revisited it.

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Unsubscribe refers to the action taken by an email recipient to opt out or discontinue receiving further email communications from a sender or mailing list.

An unsubscribe link is a clickable element included in marketing emails that allows recipients to opt out or stop receiving further communications from the sender.

User engagement refers to the level of interaction and involvement that recipients have with email content or software applications.

Warm outreach refers to the practice of contacting leads or prospects who have previously shown some level of interest or engagement with a company's products or services.

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A warm-up period refers to the gradual process of establishing trust and reputation with email service providers (ESPs) when sending emails from a new or dormant domain or IP address. During this period, the sender gradually increases the volume of emails sent over time to ensure optimal deliverability and inbox placement.

A warm-up plan is a structured strategy implemented by email senders to gradually establish trust and reputation with email service providers (ESPs) when initiating email marketing campaigns or when using new sending infrastructure such as domains or IP addresses.

A warm-up service refers to a tool or platform offered by email service providers (ESPs) or specialized companies designed to assist senders in gradually establishing reputation and trust with ISPs (Internet Service Providers) and mailbox providers when initiating email marketing campaigns or using new sending infrastructure.

A warm-up tool is a software solution designed to assist email senders in gradually establishing their sender reputation and improving deliverability when initiating or migrating email sending infrastructure.

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A warming schedule refers to a structured plan or timeline implemented by email senders to gradually increase their email sending volume and establish a positive sender reputation.

A web beacon is a small, often invisible graphic or piece of code embedded within an email or webpage. Also known as a tracking pixel or pixel tag, it allows senders to track user behavior, such as email opens, clicks, and engagement metrics.

Whitelabeling refers to the practice of rebranding a product or service provided by one company as if it were produced by another company. It involves customizing the appearance and branding of the software or service to match the identity of the reselling company, creating a seamless experience for end-users.

A whitelist refers to a list of approved email senders or domains maintained by email service providers (ESPs) or mailbox providers.

A whitelist agreement refers to a formal arrangement or understanding between email senders and email service providers (ESPs) or mailbox providers.

A whitelist provider is an entity or service that maintains lists of approved email senders or domains

A zero-day attack refers to a cybersecurity threat that exploits vulnerabilities in software or systems on the same day they become known to the public or the software developer.