Email glossary

A compilation of all the concepts you need to know to become an emailing expert, explained in the simplest way possible.

Browse definitions by letter

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2-Step Authentication

What 2-step authentication is, how it enhances security, and why it is essential for protecting online accounts.

A

AI Email Writer

What is an AI email writer, how these tools use artificial intelligence to generate email content, and what advantages they offer.

Alias Email

The meaning and example of an alias email: an alternate email address that forwards to your primary address.

Alternative Email Address

An alternative email address: meaning, example, and the importance of having an alternative email account.

Analytics for Email

What email analytics are, their common metrics, examples of usage, and how analytics improve email marketing performance.

AOL Mail

Learn about AOL Mail, its key features, the differences with AOL Basic Mail for older browsers, and the maximum attachment size for sending files.

Archive

The meaning of email archiving, benefits, and how to set up and use the archive feature across email providers.

Auto-Delete in Email

What auto-delete is, how to set it up in Gmail and Outlook, and the advantages of using auto-delete to declutter your email inbox.

Auto-Fill Email Address

What auto-fill an email address means, how to enable and manage it in various email providers, and tips for keeping your contacts organized.

Auto-Sorting In Email

What auto-sorting is, how to set it up in Gmail and Outlook, and the benefits of using auto-sorting to organize your email inbox.

Automated Email Reply

What an automated email reply is, how it works, types of automated responses, and how to set them up in Gmail and Outlook.

Automatic Forwarding

What automatic email forwarding is, how it works, steps to set up forwarding in Gmail and Outlook, and how to disable automatic forwarding.

B

Blind Carbon Copy

What BCC means in email, the difference between CC and BCC, when to use BCC for privacy, and how to use BCC in Gmail and Outlook.

Block Function

What blocking means in email, how and why to block emails, and how to manage your blocked list effectively.

Bulk Deleting

What bulk deleting is, see examples of how to delete thousands of unwanted emails at once in Gmail and Clean Email.

Blacklisting

What email blacklisting is, how it works, why it's important, and how to check if you're blacklisted.

C

CAN-SPAM Act

What the CAN-SPAM Act is, explaining its key principles and how it regulates commercial emails to protect consumers from unwanted messages.

Canned Email

What a canned email is, its uses, how to create canned email templates in Gmail, and benefits of using canned responses.

Catch-All Email Address

What a catch-all email address is, how it works, and how to create a catch-all address with various email service providers.

Custom Email Domain

Discover what a custom email domain is, its benefits for professional communication, and how to set one up.

D

Deleted Emails Recovery

What deleted emails recovery is, when it is possible, and detailed steps to recover emails from trash in Gmail, Outlook, and Yahoo Mail.

Disposable Email Address

The meaning of a disposable email address, how it protects your privacy, and its common uses for temporary communications.

DKIM

What DomainKeys Identified Mail (DKIM) is, its purpose, how it works, and the benefits of using DKIM for email authentication.

DMARC Record

The meaning of a DMARC record, its role in email authentication, how DMARC works, and the benefits of implementing DMARC policies.

Dynamic Email

What dynamic email is, its benefits, and how to use dynamic content in Gmail for personalized, interactive communications.

E

Email Account

What is an email account, the basics of setting it up, and how to manage an individual email user account.

Email Anxiety

What email anxiety is, its common causes, real-life examples of email anxiety, how Clean Email can help declutter your inbox and reduce stress.

Email Automation

Discover the essentials of email automation: how to set up automated rules to manage your emails and how it can save you time.

Email Client

What an email client is, examples of popular clients, and the difference between email clients and email providers like Gmail and Outlook.

Encryption

What email encryption is, understanding how it works, its importance, and the different types of encryption used.

Email Fatigue

What email fatigue means, its main symptoms, common causes, and ways to manage and prevent it in your daily life.

Email Filter

Discover the essentials of email filtering: definition, functionality, types, and a step-by-step guide to setting up an email filter.

Email Management

The meaning and importance of email management for organizing and maintaining your inbox clutter-free and efficient.

Email Service Provider

What an email service provider (ESP) means, how it works, and popular free email service providers to consider.

Email Throttling

What email throttling is, benefits, when to use it, and best practices for managing large email sends to avoid being marked as spam.

Email Unsubscriber

The definition of an email unsubscriber, how these tools work, and their benefits for inbox management.

F

Flagged as Spam

What does it mean when an email is flagged as spam, common causes, ways to check if your email is flagged, and tips for avoiding spam flags.

Focused Inbox

The meaning of the Focused Inbox in Outlook, how to use this tool, and its benefits for email management.

G

GDPR

Understand what GDPR is, who it applies to, and how businesses can comply with this stringent data privacy and security law.

Gmail Unsubscribe Tool

What the Gmail unsubscribe tool is, how to use it, and the options available to complete the unsubscribe process.

H

Host Name for Email

What a host name for email is, how it works for IMAP and SMTP, and how to find the host name for email providers like Gmail, Outlook, and Yahoo Mail.

HTML Email

What an HTML email is, examples, and how to create and embed HTML in your emails to enhance their design.

I

IMAP

The meaning of IMAP, how to enable it on different email clients, and the benefits of using IMAP for email management.

Inbox

What an Inbox folder is and how it helps to manage and prioritize incoming email messages efficiently.

Inbox Decluttering

What inbox decluttering is, why it’s important, best decluttering methods, and how Clean Email can help declutter and organize your inbox.

Inbox Rule

The meaning of an inbox rule, common types, and how to set up rules in Gmail to automate email management.

Inbox Zero Method

The meaning of Inbox Zero Method: a technique for managing your emails to achieve an empty inbox and improve productivity.

J

Junk Mail Folder

The meaning of the Junk Mail folder, its purpose, where to locate it, and how to direct unwanted emails to it.

K

There are no entries for this letter.

L

Labels in email

What email labels are, why they are useful, and how to create, manage, and apply labels in Gmail to keep your emails categorized.

List Cleaning

What email list cleaning is, why it's important for deliverability, and methods for effectively cleaning and maintaining your email list.

List-Unsubscribe Header

What a list-unsubscribe header is, its benefits, and examples of how it is implemented in Gmail, Outlook, and Yahoo.

M

Mail Loop

Discover what a mail loop is, its causes, how to fix related issues, and how to resolve 'hop count exceeded' errors.

Migration in Email

The meaning of email migration, the steps involved, how long it takes, and how to perform personal and business email migrations.

Mail Merge

What mail merge is, how it personalizes bulk emails, and the steps to use it in Gmail for efficient communication.

Mass Email Sending

Discover what mass email sending is, how it works in Gmail and Outlook, and the best practices for effective bulk emailing.

MX Record

The meaning of an MX record, its key functions in email routing, and how to find and check MX records using various tools.

N

Newsletter

The meaning of a newsletter email, how it engages subscribers, and why it's a powerful tool in digital marketing.

Non-Delivery Report

What a Non-Delivery Report (NDR) is, why email delivery failures occur, how to find NDRs, and steps to address common delivery issues.

Noreply Email Address

Discover what a noreply email address is, why organizations use it, benefits of using noreply addresses, and guidelines for setting one up.

O

One-click Unsubscribe

What a one-click unsubscribe is, how it simplifies opting out of emails, and the new requirements for bulk email senders.

Outbox

The meaning of the Outbox folder, an example, and the function of an outbox storage folder in email.

Other Inbox in Outlook

What the Other inbox in Outlook is, the purpose of the feature, how to locate it, and a guide to disabling it.

P

Phishing Email

What a phishing email is, common signs of phishing, and what the practical steps to identify and report phishing attempts are.

POP3 Email Protocol

Explore what the POP3 email protocol is, its benefits, and how it differs from IMAP in email management.

Primary Email

The meaning of the Primary Email account, example, and its importance in managing your communications.

Priority Inbox

The meaning of Priority Inbox, how Gmail uses it to highlight your important emails, and steps to disable it.

Proton Mail

What Proton Mail is, its mobile version, and how it's used for secure personal and business communication with end-to-end encryption.

Q

Queued Email

What a queued email is, the common reasons why emails get queued, and solutions to resolve queued email issues effectively.

R

Read Receipt

The meaning of a read receipt, how they work, how to enable read receipts in Gmail and Outlook, and the benefits of using them.

Reverse DNS Lookup

What a reverse DNS lookup is, how to perform it using Command Prompt or Terminal, and how to verify reverse DNS results.

S

Storage Quota

What a storage quota in email is, what happens when it is exceeded, and tips for freeing up your email storage space to avoid issues.

Storage Space

What email storage space is, its impact on your inbox, how to manage it efficiently, and options for expanding storage with popular email providers.

SMTP Server

The meaning of an SMTP server, how it facilitates email sending, and the key ports used for secure connections.

Snooze an Email

What snoozing an email means, how it works to temporarily remove emails from your inbox, and steps to snooze emails in Gmail and Outlook.

Spam Email

What spam email means, how to report it, and explaining the dangers spam poses to your online security.

Spam Filter

What is a spam filter, how it works, and how it protects your inbox from unwanted email messages reaching your inbox.

Spoofing

What email spoofing means, how it works, and what the types of spoofing attacks commonly used by scammers are.

Sweep Rule

Discover what a sweep rule email automation is, how it works in Outlook to quickly delete multiple emails, and how to set it up.

T

Trash Folder

Discover the Trash folder: a dedicated space for deleted emails in your mailbox, how it works, and how to manage it effectively.

U

Undisclosed Recipient

What an undisclosed recipient is, why it's used for privacy, and how to send emails to undisclosed recipients in Gmail and Outlook.

Unsnooze an Email: Definition

What unsnoozing an email means, how it returns emails to your inbox immediately, and steps to unsnooze emails in Gmail and Outlook.

Unsolicited Email

What unsolicited email means, examples of unsolicited emails, and how to stop bulk unwanted messages using Clean Email's Screener tool.

Unsubscribe

The definition of unsubscribing in email, the process behind it, and steps to take if you still receive emails after unsubscribing.

Unsubscribe Link

What does an Unsubscribe Link mean, where to find it in an email, and how to ensure it's safe to use.

V

Verification Email

What a verification email is, its importance for engagement and security, how it works, and why verification codes might not be received.

W

Webmail

Discover what webmail is, its main advantages over email clients, and how to access your webmail account easily.

Whitelist

What an email whitelist is, its function in email management, and how to whitelist addresses and domains.

X

There are no entries for this letter.

Y

Yellowlisting

What yellowlisting means, how it works to differentiate between good and bad emails, and why some servers are yellowlisted instead of blacklisted.

Yahoo Mail

Yahoo Mail’s free service and premium plans explained, along with key features like account security with Account Key, and attachment size limits.

Z

Zapier

Discover how Zapier connects apps to automate tasks, how Zaps work, and the definitions of tasks and integrations within Zapier’s workflow automation.

Zoho Mail

What Zoho Mail is, its features for custom domain hosting, email management tools, and how it’s used for personal and business communication.