Email Glossary

Blacklisting occurs when an IP address or domain is added to a real-time database of known spam sources, causing emails from that sender to be blocked or filtered to spam. These lists are maintained by organizations like...

A bounce occurs when an email fails to reach the recipient's inbox and is returned to the sender. Email servers generate bounce messages containing error codes that explain why delivery failed, such as invalid addresses,...

BounceShield is an automated email protection service that verifies every address in your contact list before campaigns are sent. It identifies invalid, inactive, and risky email addresses to prevent bounces and protect...

A burner email is a temporary, disposable email address created to avoid sharing personal information with websites or services. Users typically abandon these addresses after short-term use, making them problematic for b...

A catch-all email (also called accept-all) is a server configuration that accepts all emails sent to any address on a domain, regardless of whether that specific address exists. This makes it impossible to verify if indi...

A disposable email address (DEA) is a temporary, self-destructing email account designed to protect user privacy and avoid spam. These addresses are created through specialized services and typically expire after a set p...

An email checker is a tool or service that validates email addresses to confirm they are properly formatted, exist, and can receive messages. Email checkers perform syntax validation, domain verification, and mailbox-lev...

Email hygiene refers to the practice of maintaining clean, valid, and deliverable email lists. It involves regularly removing invalid addresses, spam traps, duplicates, and inactive subscribers to ensure optimal delivera...

Email reputation is a score assigned to your email address, domain, and sending IP by Internet Service Providers (ISPs) and email providers. This score reflects your email sending behavior, engagement rates, and complian...

Email validation is the process of verifying that an email address is properly formatted, exists, and can receive messages. It combines syntax checking, domain verification, and mailbox confirmation to determine delivera...

Email verification is the process of confirming that an email address is valid, deliverable, and safe to send to. It checks whether an address exists, can receive emails, and is not associated with spam traps, disposable...

A honey pot (or honeypot) is a decoy system or email address designed to detect and trap malicious actors, spammers, or unauthorized data collectors. In email marketing, honey pot addresses are hidden trap addresses plan...

An inbox is the primary folder in an email system where incoming messages are received, stored, and organized until the recipient reads or acts upon them. It serves as the central hub for email communication, filtering l...

Phishing is a type of cyber attack where attackers impersonate legitimate entities to trick individuals into revealing sensitive information such as login credentials, financial data, or personal details. These attacks t...

The Return-Path is an email header field that specifies the address where bounce notifications and delivery failure messages should be sent when an email cannot be delivered. Also known as the envelope sender or bounce a...

A role-based email address is associated with a job function, department, or group rather than an individual person, such as info@, support@, sales@, or admin@. These addresses typically route to shared inboxes monitored...

A valid email address is one that is properly formatted, exists on a real mail server, and can successfully receive emails. Validity encompasses multiple factors: correct syntax following email format rules, a domain tha...