Glossary
Learn all the terms that Emailing Expert should know! Click on a term to discover its meaning and usage.
Sunset Policy
A/B Split (A/B Testing)
A Record (Address Record)
Above the Fold
Abuse Emails
Accept-All
Account Suspended – MailChimp
Account Under Review – MailChimp
Address-by-Address Analysis
Affiliate
Alias
Allowlist
Application Programming Interface (API)
Asynchronous Bounce
Attachement
Authentication
BIMI (Brand Indicators for Message Identification)
Blacklist
Blast
Block
Blocked
Blocklist
Bounce
Bounce Handling
Bounce Message
Bounce Rate
Bulk Folder
Call to Action (CTA)
Can-Spam Act
Canadian Anti-Spam Legislation (CASL)
Canonical Name (CNAME)
Catch-all Emails
Click
Click-Through Rate (CTR)
Click-to-Open Rate (CTOR)
Cloudmark
Co-Registration
Commercial Email
Complain Rate
Complaints
Compliance
Confirmation Email
Confirmed Opt-In
Content
Conversion
Conversion Rate
CSV
De-Duplication
Dedicated IP Address
Delivered Email
Delivery Rate
Delivrability
Delivrability Rate
Delivrable
Denial-of-Service Attack or List-Bomb Attack
Disposable
Domain
Domain-Based Message Authentication, Reporting, and Conformance (DMARC)
Domain Keys
Domain Name System (DNS)
DomainKeys Identified Mail (DKIM)
Dynamic Content
Email Append
Email Checker, Email Validator, or Email Verifier
Email Client
Email Deliverability
Email Filter
Email Prefix
Email Service Provider (ESP)
Email Validation
Email Verification
Email Warm-up
Engagement
Everything List
Explicit Consent
False Positive
Feedback Loop (FBL)
Footer
Friendly Form
General Data Protection Regulation (GDPR)
Google Postmaster Tools (GPT)
Graymail
Greylisting
Hard Bounce
Header
Honeypot Spam Trap
Implicit Consent
Inactive Subscriber
Infrastructure
Internet Service Provider (ISP)
IP Address
IP Reputation
IP Warm-up
List
List Hygiene
List Rental
List-Unsubscribe
Mail Bombing
Mail Transfer Agent (MTA)
Mailbox Provider (MBP)
Mailinblack
Merge Fields
Multi-Part MIME
Multipurpose Internet Mail Extension (MIME)
MX (Mail eXchanger) Record
MX Lookup
Omnivore
Opt-In
Opt-Out/Unsubscribe
Panel Data
Permission
Phishing
Post Office Protocol (POP)
Postmaster
Preference Center
Re-Confirm Campaign
Re-Engagement Campaign
Recycled Spam Traps
Reply-To-Address
Reputation
Return Path Address
Reverse DNS
Role-Based Emails
Safe List
Seeds
Segment
Segmentation
Sender Policy Framework (SPF)
Server
Shared IP
Simple Mail Transfer Protocol (SMTP)
SMTP Bounce Codes
Snowshoeing
Soft Bounce
Spam
Spam Trap
Spam Uniform Resource Identifier Real-Time Block List (SURBL)
SpamAssassin
SpamCop
Spamhaus
Spoofing
Stale List
Tabs
Throttling
Toxic Domain
Transactional Email
UCEPROTECT
Unique Open Rate
Unsolicited Commercial Emails (UCE)
Unsubscribe
Whitelist
WHOIS
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