From: Marcelo P. Lima (no email)
Date: Sat Feb 21 2004 - 15:22:11 EST
Gentlemen,
Thank you for the reply.
Wietse, I don't have a relayhost setting in my main.cf.
Philip, please see my comments:
-------------
You're trying to relay mail to balka.com, so Postfix basically sends
mail to itself in a loop, because it is not configured to accept it
and so tries to relay based on the MX records.
If the domain is hosted on another machine (say on an internal
network) you probably need to use transport_maps.
[Marcelo] - This domain is hosted on another machine across the
country, at another hosting facility (AFAIK -- joesao.com (where the
postfix installation in question is) is at Valueweb and balka.com is
hosted at Interland)
Why is your server the lowest priority MX for balka.com, if you're
not trying to send mail to it?
[Marcelo] - I have absolutely no idea. Does anybody know the answer? I
don't know why Postfix is telling me that the "best MX host for
balka.com is local" -- that's what I'm trying to fix. The best MX host
for balka.com should be balka.com (or mail.balka.com, I guess)!
-------------
Once I've authenticated through SASL I should be able to relay email to
anybody. Right now the installation is giving me this error (looping
email back to itself). Why? How do I fix it? Should I send more config
information?
(I didn't mention this the first time -- but I've scoured google,
newsgroups and mailing list archives, and found many people with a loop
problem, but no real solutions)
Thanks a lot for the help.
-Marcelo
On Feb 21, 2004, at 13:35, Wietse Venema wrote:
> Philip Reynolds:
>> "Marcelo P. Lima" <> 469 lines of wisdom included:
>>> I'm using MySQL 4.0.15 to hold virtual account information, and for
>>> authentication. In addition, I'm doing SASL2 authentication. I'm
>>> running Courier-IMAP for imapd, pop3d and smtpd. Finally, i have
>>> Maildrop as the delivery agent.
>>>
>>> This machine currently hosts 1 domain, to keep things simple:
>>> joesao.com
>>>
>>> The Problem
>>> -----------------
>>>
>>> As a test, I'm connecting to my server at mail.joesao.com,
>>> authenticating as /password, and trying to
>>> send
>>> email to a user on ANOTHER domain and another machine (this user is
>>> ).
>>
>> [ ... ]
>>
>>> Feb 19 14:54:18 localhost postfix/smtp[23541]: warning: mailer loop:
>>> best MX host for balka.com is local
>>> to=<>, relay=none, delay=1, status=bounced
>>> (mail
>>> for balka.com loops back to myself)
>>
>> balka.com is the lowest available priority MX for balka.com even
>> though it doesn't accept mail for it.
>
> Additionally, some people configure a main.cf:relayhost that
> causes mail to loop to the local machine. I'll add a test for
> such configuration mistakes.
>
> Wietse
>
>
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