Emacs SMTP Library

How Mail Works Brief introduction to mail concepts.
Emacs Speaks SMTP How to use the SMTP library in Emacs.
Authentication Authenticating yourself to the server.
Encryption Protecting your connection to the server.
Queued delivery Sending mail without an internet connection.
Server workarounds Mail servers with special requirements.
Debugging Tracking down problems.
GNU Free Documentation License The license for this documentation.
Index Index over variables and functions.

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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with the Front-Cover Texts being “A GNU Manual”, and with the Back-Cover Texts as in (a) below. A copy of the license is included in the section entitled “GNU Free Documentation License”.

(a) The FSF's Back-Cover Text is: “You have the freedom to copy and modify this GNU manual.”