mail server problem(postfix)

[Alexander Dalloz]

Am Di, den 14.06.2005 schrieb Ankush Grover um 7:08:

> > smtp_sasl_security_options = noanonymous, noplaintext
> 
> I did this but after that i started getting errors like this
> 
> mail postfix/smtp[1843]: 623A4BEE88: to=<ankush174 at yahoo.com>,
> relay=mail.nextgenesolutions.com[216.251.43.97], delay=2,
> status=deferred (Authentication failed: cannot SASL authenticate to
> server mail.nextgenesolutions.com[216.251.43.97]: no mechanism
> available)

O, they seem to only offer LOGIN and/or PLAIN and no STARTTLS. That's
bad from point of security. You can check what the ISP's MTA offers by
telnetting it at port 25.

> > > > > The entries for passwd file are as
> > > > >
> > > > > ISP mailserver            username:password.
> 
> > > > Did you set "relayhost" in main.cf?
> > 
> > > I did not set relay host in main.cf .
> > 
> > You did now? If not your ISP's smart host will not be used as the
> > standard relay. As an alternate you could use the transport map, but in
> > your case with dynamic IP situation you always want your ISP's MTA for
> > relaying.
> > 
> 
> I did put my ISP smpt server as relay host in main.cf .How can I be
> sure that my mail server is correctly authenticating with the ISP
> server .

From the logs. In the above shown log part you see that authentication
fails. If it succeeds the mail is going out and will reach it's
destination.

> Ankush Grover

Alexander


-- 
Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773
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