User:David MacQuigg/Sandbox

Email Articles

Email System . . . 02 03

Subtopics

Email Agents

Message Transfer 03

Extended SMTP

Message Formats

Message Headers

Email Authentication

Email Authentication draft

Other related topics

Domain Name System|Domain Name System (DNS)

Multipurpose Internet Mail Extensions (MIME)

Email History

Email Abuse

Email User Programs

Supporting protocols

SMTP POP IMAP

TCP PGP Kerberos SPF SID DKIM CSV

Possible Additional Topics

  ESMTP - RFC-5321
  Port 587 - RFC-4409
  Reply Codes
    550, 450 - greylisting
  Options
    MAIL FROM