Email Deliverability Glossary

Warmup Inbox automatically raises your email sending reputation through our network of inboxes talking to each other. Lets learn about some helpful email related terms.

- A -

Approved Sender
A Record

- B -

Blacklist
BIMI
Bounced Email
Bounce Responses
Bounce Suspension
Bulk Email

- C -

Catch-All Mail Server
Conversion Rate
CAN-SPAM Act
Certificate Transparency
Custom Tracking Domain
Click-Through Rate
CNAME Record

- D -

DANE
Dedicated IP
DKIM
DMARC
Domain Hijacking
Domain Name System (DNS)
DNS Certification Authority Authorization (CAA)
Domain Name System Security Extensions (DNSSEC)
DNS Hijacking

- E -

Email Campaign
Error Code 550
Email Deliverability
Email Domain
Email Filtering
Email Firewalls
Email Verification

- G -

Gateway Server
Generic vs Role Based Email Address
Graylisting

- H -

Hostnames
HTML Vs Plain Text Emails

- I -

Ident Protocol
IMAP
Inbox Warming
Internet Assigned Numbers Authority (IANA)
Internet Service Provider (ISP)
IPV4 vs IPV6
IP Warming
Internationalized Domain Name (IDN)

- L -

Landing Page

- M -

Message Authentication
Message Transfer Agent (MTA)
Multipurpose Internet Mail Extension (MIME)
MX Record

- N -

Name Server
Network Address
NS Records

- O -

Open Rate

- P -

POP3
Privacy Policy
PTR Record

- R -

Real-Time Blackhole List (RBL)
Reverse DNS

- S -

Secure Sockets Layer (SSL)
Send Time Optimization
Soft Vs Hard Bounces
Spam Filters
SRV Record
Sender Policy Framework (SPF)
Subscribe
Suppression List
Sender Reputation
SMTP

- T -

Top-Level Domain
Transactional Email
Transmission Control Protocol (TCP)
Transport Layer Security (TLS)
TXT Record

- U -

User Datagram Protocol (UDP)

- V -

Variable Envelope Return Path
Virtual Private Network

- W -

Whitelist
WHOIS Lookup