[Dovecot] Why is dovecot involved in my smtp process

["Tóth Attila"]

http://dovecot.org/list/dovecot/2009-March/038435.html
-- 
dr Tóth Attila, Radiológus, 06-20-825-8057
Attila Toth MD, Radiologist, +36-20-825-8057

2012.Február 23.(Cs) 18:10 időpontban Steve Campbell ezt írta:
>
>
> On 2/23/2012 11:33 AM, /dev/rob0 wrote:
>> On Thu, Feb 23, 2012 at 10:16:34AM -0500, Steve Campbell wrote:
>>> I've been trying to get smtp auth set up for days. All my sendmail
>>> and sasl2 stuff seems to be proper, but the user can't use the
>>> system on port 587, which is where I require authorization.
>>>
>>> Now I see where messages are in my maillog of the type:
>>>
>>> auth: pam_unix(dovecot:auth) : authentication failure ........
>>>
>>> Why is dovecot involved in my smtp processes and how do I fix
>>> this.
>> I would question that these failures are in fact related to what
>> Sendmail is doing. Does Sendmail even support Dovecot SASL? AFAIK it
>> does not, therefore there is no way that Dovecot could possibly
>> interfere with SMTP AUTH in Sendmail.
> Why is sendmail using Dovecot sasl when I have the regular sasl set up.
>
> If I turn off dovecot, telnet to 587, I get no failures in my logs. If I
> turn on dovecot and do the same, I get auth failures in my secure file.
>>
>>> I've got some very mad users.
>> And you are jumping to conclusions. I suggest that you take this
>> matter to a Sendmail forum. When you do, provide all relevant
>> configuration as well as complete logging to show the problem. No
>> useful help is possible with what you posted here.
>
> In other words, don't use sendmail if I use dovecot?
>>
>>> The 10-auth.conf file is pretty much
>>> stock except for allowing plain text logins.
>
> I'm really having problems following the logic here. Seems that postfix
> and dovecot are the only way to go if I use alternate ports with smtp
> auth. Is that what everyone is implying?
>
> I'll try to see what sendmail guys are saying, but I don't think they'll
> provide much as long as it involves dovecot.
>
> Thanks for the help
>
> steve
>