Email Glossary
Learn the essential terminology for email marketing, deliverability, and authentication. Clear explanations for technical and non-technical readers.
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Email Authentication
Protocols and records that verify your identity as a legitimate sender.
SPF (Sender Policy Framework)
Tells receiving servers which IPs can send email for your domain.
DKIM (DomainKeys Identified Mail)
Adds a digital signature to emails proving they haven't been tampered with.
DMARC (Domain-based Message Authentication)
Tells email receivers how to handle messages that fail SPF or DKIM checks.
DNS Records for Email
Domain settings that control email routing and authentication (MX, SPF, DKIM, DMARC).
Email Spoofing
When attackers forge the sender address to make emails appear from a trusted source.
Deliverability
Factors that determine whether your emails reach the inbox.
Email Deliverability
The ability of your emails to reach recipients' inboxes instead of spam.
Email Warmup
Gradually increasing email volume to build sender reputation with ISPs.
Bounce Rate
The percentage of sent emails that couldn't be delivered to the recipient.
Sender Reputation
A score ISPs assign to your sending IP and domain based on email behavior.
IP Reputation
The trustworthiness score assigned to an IP address based on its email sending history.
Email Blacklist
A database of IPs or domains identified as spam sources that ISPs use to block email.
List Hygiene
The practice of maintaining a clean email list by removing invalid and inactive addresses.
Spam Trap
Email addresses used to identify spammers, hitting them damages your reputation.
Email Types
Different categories of email and their characteristics.
All Terms A-Z
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