Re: Mail delivery failed: returning message to sender

On Sat, 18 Sep 2004, Russell Smith wrote:

> On Wed, 15 Sep 2004 03:55 am, Greg Stark wrote:
>>
>> What the hell? I got this message but when I check my IP in sorbs it says it's
>> not there. Is something wrong with svr1.postgresql.org?
>>
>>
>> Mail Delivery System <Mailer-Daemon@xeocode.com> writes:
>>
>>> This message was created automatically by mail delivery software (Exim).
>>>
>>> A message that you sent could not be delivered to one or more of its
>>> recipients. This is a permanent error. The following address(es) failed:
>>>
>>>   pgsql-general@postgresql.org
>>>     SMTP error from remote mailer after RCPT TO:<pgsql-general@postgresql.org>:
>>>     host svr1.postgresql.org [200.46.204.71]: 554 Service unavailable; Client host [66.11.160.162] blocked using
dnsbl.sorbs.net
>>

> That's because the PG mail server is setup to block all mail if it can't
> contact SORBS.
>
> So as the message shows, you are blocked because svr1.postgresql.org was
> unable to access the dnsbl.sorbs.net DNS. It returned error 554 Service
> unavailable.  The rbl is set to hard block all mail when it can't talk
> with sorbs. Possible reason is they have had a number of DDOS attacks
> recently.

We're running postfix ... I didn't realize that it doesn't give a 'soft
error' if it couldn't contact the RBLs ... is there a way of configuring
it so that it does?

----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy@hub.org           Yahoo!: yscrappy              ICQ: 7615664