[Dovecot] Using Dovecot SASL with postfix
rob0 at gmx.co.uk
Wed Sep 6 20:35:50 EEST 2006
On Wednesday 06 September 2006 11:42, Jonathan Stewart wrote:
> I'm trying to use Dovecot SASL with postfix 2.3.3 and when trying to
> send mail I get the debug output below. I don't know enough about
> whats going on to know where the problem is but something clearly is
> not right. I would send the configurations for postfix and dovecot
> except they are clearly talking to each other so I kinda doubt its a
> configuration issue. The machine can afford to be down for an hour
> or two at a time for testing stuff if needed.
> Sep 6 12:04:10 server postfix/smtpd: connect from
> Sep 6 12:04:17 server dovecot: auth(default): client in: AUTH 1
> PLAIN service=smtp
> Sep 6 12:04:17 server dovecot: auth(default): client out: CONT 1
> Sep 6 12:04:18 server dovecot: auth(default): client in: CONT 1
> Sep 6 12:04:18 server dovecot: auth(default): plain(?): invalid
Invalid input? Maybe a broken client? What's the client? You mentioned
the Postfix version, but not Dovecot. There were some problems with
SASL PLAIN AUTH in the 1.0-beta series.
Hmmm, PLAIN AUTH should be a uuencoded "username\0username\0password"
string. Your client just sent "jonathan"?
> Sep 6 12:04:19 server dovecot: auth(default): client out: FAIL 1
> Sep 6 12:04:19 server postfix/smtpd: warning:
> mobile-166-137-248-219.mycingular.net[22.214.171.124]: SASL PLAIN
> authentication failed:
There you have it. "SASL PLAIN authentication failed".
All I can say is that a literal copy-and-paste from the Postfix
SASL_README works for me, and it has been working for a long time. I
was using Dovecot SASL with the 2.2 patch, and a modified version
thereof in pre-20051221 snapshots of Postfix 2.3. (The syntax was
slightly different for the 2.2 patch.)
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