After kicking this same issue around for days on end,
my problem with this kind of message (which I've not
seen addressed elsewhere in docs or newsgroups) was
that I had:

smtpd_sasl_security_options = noanonymous, noplaintext

And it turns out that the only authentication mechanisms
available were LOGIN and PLAIN, which are both plaintext.
Thus, there were no AUTH mechanisms to advertise, which
explains the "fatal: no SASL authentication mechanisms"
message.

I was under the impression that the default sasl installation
gave a few more mechanisms (DIGEST-MD5, CRAM-MD5), but
apparently not(?). Since our users will be using Microsoft
Outlook and/or Outlook Express, perhaps I need nothing
else(?), but in any case, changing that line to:

smtpd_sasl_security_options = noanonymous

cleared up the error. Now I am trying to figure out why
I cannot get successful authentication.... grrrrrr.

--- Javi Polo <javipoloivworlds.org> wrote:
> Dammit
>
> I have debian unstable ... I've been poking with this SASL thing and all I
> get is:
>
> Oct 2 16:01:03 akane postfix/smtpd[12484]: fatal: no SASL authentication
> mechanisms
> Oct 2 16:01:04 akane postfix/master[12436]: warning: process
> /usr/lib/postfix/smtpd pid 12484 exit status 1
> Oct 2 16:01:04 akane postfix/master[12436]: warning: /usr/lib/postfix/smtpd:
> bad command startup -- throttling
>
> when I try to connect ... if I just disable sasl in main.cf, everything
> works fine ....
>
> I have libsasl as provided with debian, and then compiled postfix with SASL
> support, and added the pwcheck_method to /usr/lib/sasl/smtpd.conf
>
> I've tried with pam, shadow and pwcheck methotds, resulting all in the same
> behaviour .... :(
>
> Anyone has done it ?
>
> --
> Javi Polo - DrSlump - Registered Linux User #97502
> Proud member of the Panda Gey Community (powered by linux)
> http://javipolo.ivworlds.org/ - Fidonet 2:347/1.1
> -
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