Email Glossary from A to Z

60+ emailing terms to help you understand all the jargon - from technical terms to slang -
to enhance your email campaigns and win over prospects.

A

Alias

An alternative email address that forwards to a primary email account.

Attachment

A file (document, image, etc.) sent along with an email.

Autoresponder

An automated email sent in response to incoming emails, often used for confirming rec...

BCC (Blind Carbon Copy)

A way to send an email to multiple recipients without revealing their email addresses...

Blacklist

A list of IP addresses or domains that are blocked from sending emails, often used to...

Body

The main content of an email message.

Bounce

An email that cannot be delivered and is returned to the sender. Can be classified in...

Branding

The use of a company's design elements in email communications to maintain a consiste...

Bulk Email

Sending an email to a large group of recipients at once.

CC (Carbon Copy)

The percentage of recipients who click on links within an email.

Click-Through Rate (CTR)

A financial metric that calculates the average income generated by each customer or u...

Deliverability

The ability of an email to successfully reach the recipient’s inbox.

Delivery Rate

The percentage of sent emails that are successfully delivered to recipients.

DKIM (DomainKeys Identified Mail)

An email authentication method to verify the sender's identity and ensure the email h...

Domain

The part of an email address that comes after the "@" symbol, indicating the email pr...

Email Blast

Sending a single email to a large list of recipients at once.

Email Client

A program or app used to send and receive emails.

Email Marketing

The use of email to promote products or services and engage with customers.

Email Spoofing

Faking the "From" address on an email to make it appear as if it's coming from a trus...

Engagement

The level of interaction recipients have with an email, including opens, clicks, and ...

Footer

The bottom section of an email, often containing contact information, unsubscribe lin...

Forward

Sending an email you received to another recipient.

From Address

The email address that appears in the "From" field of an email.

Graymail

Emails that are not exactly spam but are often unwanted, such as newsletters or promo...

Hard Bounce

An email that is permanently undeliverable, often due to an invalid or non-existent e...

Header

The top section of an email, containing metadata like the sender's information, recip...

HTML Email

An email formatted using HTML, allowing for the inclusion of images, links, and style...

IMAP (Internet Message Access Protocol)

A protocol for retrieving and managing email messages on a server, allowing synchroni...

Inbox

The main folder where incoming emails are received.

IP Address

A unique address that identifies a device on the internet, used in email to determine...

Junk Mail

Another term for spam or unwanted email.

Landing Page

A web page linked from an email that is designed to capture leads or drive specific a...

List Segmentation

Dividing an email list into smaller groups based on criteria like demographics, behav...

List Unsubscribe

A header included in emails that allows recipients to easily unsubscribe from the mai...

Mail Server

A server that handles the sending, receiving, and storage of email.

Mailing List

A collection of email addresses used for sending emails to multiple recipients.

MIME (Multipurpose Internet Mail Extensions)

A standard that allows for the inclusion of multimedia content in emails.

MX Record (Mail Exchange Record)

A DNS record that specifies the mail server responsible for receiving emails on behal...

A periodic email update sent to subscribers, often containing news, updates, and prom...

Open Rate

The percentage of recipients who open an email out of the total number sent.

Opt-In

The process by which a user gives permission to receive emails from a sender, often t...

Phishing

A fraudulent attempt to obtain sensitive information by disguising as a trustworthy e...

Plain Text Email

An email that contains only text without any HTML or multimedia elements.

POP3 (Post Office Protocol 3)

A protocol for retrieving email from a server, typically used to download messages to...

Preheader

The text that appears in the preview pane of an email client, often used to provide a...

Reply

Responding to an email from a sender.

Reply All

Responding to all recipients of an email.

Responsive Design

Email design that adjusts to different screen sizes and devices, providing an optimal...

Retention Email

Emails sent to existing customers to encourage continued engagement and loyalty.

Return Path

The email address to which non-delivery reports and bounces are sent.

SMTP (Simple Mail Transfer Protocol)

A protocol for sending email messages between servers.

Soft Bounce

An email that is temporarily undeliverable, often due to a full inbox or server issues.

Spam

Unwanted or unsolicited email, often sent in bulk for advertising purposes.

Spam Filter

Software or tools that identify and filter out spam emails before they reach the inbox.

Subject Line

The title or headline of an email, visible in the recipient's inbox before opening.

Suppression List

A list of email addresses that should not receive certain emails, often used to manag...

Tracking Pixel

A tiny image embedded in an email to track when the email is opened and other engagem...

Transactional Email

Emails triggered by a user's action, such as purchase confirmations or password resets.

Unsubscribe

The process by which a recipient removes themselves from an email list, typically thr...

Verification

The process of confirming that an email address is valid and able to receive emails.

VPN (Virtual Private Network)

A tool that allows for secure, encrypted connections to the internet, often used for ...

Whitelisting

Adding an email address or domain to a list of approved senders to ensure their email...

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