[CentOS] Postfix+sasl Outlook problem.

Dominik Składanowski dominik.skladanowski at ch.pw.edu.pl
Tue Sep 6 23:44:31 UTC 2005

> I have mail server on CentOS 4.1. Sasl authorization for SMTP is
> enabled. Thunderbird sends mail, but Outlook get an error 554, Relay
> access denied, error number 0x800CCC79
> Outlook has a login and password for SMTP enabled.
> It is strange, because there is no any sign of authorize in maillog when
> Outlook try to send mail.


Outlook don't use PLAIN authorization. I have added LOGIN to "mech_list"
in /usr/lib/sasl2/smtpd.conf

/usr/lib/sasl2/smtpd.conf is below:
pwcheck_method: saslauthd
mech_list: plain login
saslauthd_path: /var/run/saslauthd/mux

And Outlook started to use SMTP/SASL, both - over TLS and without TLS.

D o m i n i k   S k ł a d a n o w s k i

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