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SMTP

Ports and protocols used by the Simple Mail Transfer Protocol (SMTP).

Simple Mail Transfer Protocol (SMTP) is the standard for e-mail transmissions across the internet. Formally SMTP is defined in RFC 821 (STD 10) as amended by RFC 1123 (STD 3) chapter 5. The protocol used today is also known as ESMTP, and it is defined in RFC 2821.

Used by:
  • Content Manager Publishing components
  • Content Manager Author components
Settings:
WhatProtocolPortDirection
SMTPTCP25IN/OUT