Abstract from the RFC text:
This document describes an extension to the SMTP service that allows an SMTP server and client to use transport-layer security to provide private, authenticated communication over the Internet. This gives SMTP agents the ability to protect some or all of their communications from eavesdroppers and attackers.
Notes: None
There are no errata for RFC 2487 (as of 2008-08-25).
Used in the following classes: