The Dovecot instructions state:
Since version 2.3, Postfix supports SMTP AUTH through Dovecot SASL as
introduced in the Dovecot 1.0 series. If using Postfix obtained from a
binary (such as a .rpm or .deb file), you can check if Postfix was
compiled with support for Dovecot SASL by running the command:
Once you have verified that your installation of Postfix supports….
The output I get is:
Well, it might be a trivial question to some, but how do you verify the Dovecot SASL support? Does the
dovecot output means it support Dovecot SASL? If not, what output should there be to indicate it?
Debian Jessie, Dovecot 2.2.13, Postfix 2.11.3
postconf(1) man page (which you should read) explains:
-a List the available SASL server plug-in types. The SASL plug-in type is selected with the smtpd_sasl_type configuration parame‐ ter by specifying one of the names listed below. cyrus This server plug-in is available when Postfix is built with Cyrus SASL support. dovecot This server plug-in uses the Dovecot authentication server, and is available when Postfix is built with any form of SASL support. This feature is available with Postfix 2.3 and later.
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