Postfix & SASL Authentication

[Paul Schmehl]

Gerard Seibert wrote:
> FreeBSD 6.1 STABLE
> 
> I have SASL and Postfix installed and for the most part they seem to
> work all right together. However, there is one small problem.
> 
> When attempting to send a message from one of the PC's on the network,
> actually any PC on the network except for the one with Postfix installed
> on it, this error message is inserted into the maillog file.
> 
> Aug  8 10:11:32 scorpio postfix/smtpd[1310]: connect from boss.seibercom.net[192.168.0.4]
> Aug  8 10:11:32 scorpio postfix/smtpd[1310]: warning: SASL authentication failure: no user in db
> Aug  8 10:11:32 scorpio postfix/smtpd[1310]: 859B9BD6C: client=boss.seibercom.net[192.168.0.4], sasl_method=LOGIN, sasl_username=gerard at seibercom.net
> 
> All of the users are authenticated. Exactly what is it referring to and how do I correct it? The mail does get relayed however, so it is not a fatal warning.
> 
> 
Sasl is attempting to use sasldb2 *before* it uses /etc/passwd (or pam, 
as the case may be.)  It's harmless in any case.  What do you have in 
the smtpd.conf file?  (/usr/local/lib/sasl2/smtpd.conf)

-- 
Paul Schmehl (pauls at utdallas.edu)
Adjunct Information Security Officer
The University of Texas at Dallas
http://www.utdallas.edu/ir/security/
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