Commit 19a39660 authored by Simon Josefsson's avatar Simon Josefsson
Browse files

* smtpmail.texi (Authentication): Explain TLS and SSL better, based on

suggested by Phillip Lord <phillip.lord@newcastle.ac.uk>.
parent 91197db4
2006-09-11 Simon Josefsson <jas@extundo.com>
* smtpmail.texi (Authentication): Explain TLS and SSL better, based on
suggested by Phillip Lord <phillip.lord@newcastle.ac.uk>.
2006-09-08 Richard Stallman <rms@gnu.org>
* search.texi (Search): Ref multi-file search commands here.
......
......@@ -214,6 +214,7 @@ The following example illustrates what you could put in
Many environments require SMTP clients to authenticate themselves
before they are allowed to route mail via a server. The two following
variables contains the authentication information needed for this.
The first variable, @code{smtpmail-auth-credentials}, instructs the
SMTP library to use a SASL authentication step, currently only the
CRAM-MD5 and LOGIN mechanisms are supported and will be selected in
......@@ -222,10 +223,17 @@ that order if the server support both.
The second variable, @code{smtpmail-starttls-credentials}, instructs
the SMTP library to connect to the server using STARTTLS. This means
the protocol exchange may be integrity protected and confidential by
using TLS, also known as SSL, and optionally also authentication of
the client. This feature uses the elisp package @file{starttls.el}
(see it for more information on customization), which in turn require
that at least one of the following external tools are installed:
using the Transport Layer Security (TLS) protocol, and optionally also
authentication of the client and server.
TLS is a security protocol that is also known as SSL, although
strictly speaking, SSL is an older variant of TLS. TLS is backwards
compatible with SSL. In most mundane situations, the two terms are
equivalent.
The TLS feature uses the elisp package @file{starttls.el} (see it for
more information on customization), which in turn require that at
least one of the following external tools are installed:
@enumerate
@item
......
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