Postfix SMTP AUTH Problem

[Phil Meyer]

Ankush Grover wrote:
> On 8/22/06, Chong Yu Meng <chongym at cymulacrum.net> wrote:
>> Hi all,
>>
>> I am trying to configure SMTP AUTH on an FC5 development system and I'm
>> seeing something strange and hoping someone can help.
>>
>> This is my environment:
>> Postfix version: 2.2.8-1.2
>> Cyrus SASL: 2.1.21
>>
>> My Postfix is configured to host virtual domains (cymulacrum.cym and
>> virago.cym) and delivers mail via lmtp to Cyrus IMAP. The authentication
>> system I am using is not PAM but sasldb2. I have created the following
>> accounts inside sasldb2:
>>
>> [root at aeonflux log]# sasldblistusers2
>> admin at aeonflux.localdomain: userPassword
>> tom at cymulacrum.cym: userPassword
>> dick at cymulacrum.cym: userPassword
>> harry at virago.cym: userPassword
>> jill at virago.cym: userPassword
>> admin at virago.cym: userPassword
>> admin at cymulacrum.cym: userPassword
>> jack at virago.cym: userPassword
>>
>> Now, I have already configured Postfix for SMTP AUTH and I am able to
>> successfully authenticate with admin at aeonflux.localdomain, by using:
>> username: admin
>> password: admin
>>
>> But when I try to authenticate using:
>> username: tom at cymulacrum.cym
>> password: tom (yes, the password is correct -- I'm using weak passwords
>> because this is for a tutorial I am conducting)
>>
>> I get an authentication error. I get errors for all the other accounts
>> except the one above. I suspect that I have to define the realm
>> somewhere instead of just using the "@domain", but I really don't know
>> where to begin looking.
>>
>> Any help would be greatly appreciated!
>>
>> -- 
> hey,
>
> Did you added the sasldb2 to smtpd.conf under /usr/lib/sasl2/smtpd.conf
>
> for example
>
> pwcheck_method: saslauthd
> mech_list: plain login
>
>
> change as per your need  "saslauthd to sasldb2"
>
> You have to configure sasl settings in postfix/main.cf file also
>
> http://www.securitysage.com/antispam/sasltls.html
>
Also, you can watch /var/log/secure for other clues.