Learn the essential terms and concepts in email marketing and deliverability.
Bounce rate is the percentage of sent emails that could not be delivered to recipients' mailboxes...
The CAN-SPAM Act (Controlling the Assault of Non-Solicited Pornography And Marketing Act) is a 20...
Click-through rate (CTR) is the percentage of email recipients who click on one or more links wit...
Cold email is an unsolicited business email sent to a recipient who has no prior relationship wit...
DomainKeys Identified Mail (DKIM) is an email authentication method that uses cryptographic digit...
Domain-based Message Authentication, Reporting and Conformance (DMARC) is an email authentication...
Double opt-in (also called confirmed opt-in) is a two-step subscription process where new subscri...
An email blacklist (also called blocklist or DNSBL) is a real-time database of IP addresses, doma...
Email deliverability is the measure of an email's ability to successfully reach the intended reci...
Email personalization is the practice of using recipient data and contextual information to custo...
An email sequence (also called drip campaign or automated email series) is a set of pre-written e...
Email threading (also called conversation view) is the automatic grouping of related emails into ...
Email verification (also called email validation) is the process of checking email addresses to c...
Email warmup is the strategic process of gradually increasing the volume of emails sent from a ne...
The General Data Protection Regulation (GDPR) is a comprehensive European Union privacy law enact...
IP warmup is the process of gradually increasing email sending volume from a new or dormant IP ad...
Inbox placement rate is the percentage of delivered emails that successfully land in the recipien...
List hygiene (also called email list cleaning) is the ongoing practice of maintaining a healthy e...
A Mail Exchanger (MX) record is a type of DNS record that specifies which mail servers are respon...
Email open rate is the percentage of delivered emails that recipients open, calculated by dividin...
Sender Policy Framework (SPF) is an email authentication protocol that creates a DNS TXT record s...
Sender reputation is a score assigned by Internet Service Providers and email platforms that indi...
The spam folder (also called junk folder) is a designated location in email clients where message...
A spam trap (also called honeypot) is a specially created or repurposed email address used by Int...
Unsubscribe rate is the percentage of email recipients who opt out of receiving future emails fro...