From: Brian Evans - Postfix List on
On 1/29/2010 7:24 AM, David Touzeau wrote:
> smtpd_tls_auth_only = yes
>
> Thanks Patrick for your answer but sasl is correctly installed
>
>
> And testsaslauthd answer OK to authentification test....
> Any others ways ?? to understand this problem ?
>
> i don't know why thereis no entry on -- mechanisms on localhost -- ??
>

Because of the setting mentioned on the first line, you must use the
openssl s_client to test your config.
If you change it to no, then tests like saslfinger will work.

See http://qmail.jms1.net/test-auth.shtml for a test plan (ignore any
MTA specific comments)
as well as http://www.postfix.org/postconf.5.html#smtpd_tls_auth_only