AW: [cobalt-users] Raq4r] Emails from Austria always rejected

["Mike" <cobalt@xxxxxxxxxxxxxx>]

> > I asked previously about this problem, but not yet solved, 
> > and I lost thus my customers. My customers can't receive 
> > mails from Austria, because all mails comming from an 
> > Austrian domain (.at) and austria.eu.net are always rejected 
> > as example below:
> > 
> > Nov  8 11:04:20 oerlikon sendmail[20838]: gA8A4Fo20838: 
> > ruleset=check_relay, arg1=unet4-105.univie.ac.at, 
> > arg2=131.130.233.105, relay=unet4-105.univie.ac.at 
> > [131.130.233.105], reject=550 5.0.0 Mail rejected due to 
> > possible SPAM Nov  8 10:39:15 oerlikon sendmail[18308]: 
> > gA89dAo18308: ruleset=check_relay, 
> > arg1=unet4-114.univie.ac.at, arg2=131.130.233.114, 
> > relay=unet4-114.univie.ac.at [131.130.233.114], reject=550 
> > 5.0.0 Mail rejected due to possible SPAM Nov  8 10:53:00 
> > oerlikon sendmail[19637]: gA89r0o19637: ruleset=check_mail, 
> > arg1=<einkauf@xxxxxxxxxxxxxxxxxx>,
> > relay=[80.120.0.179], reject=550 5.0.0 
> > <einkauf@xxxxxxxxxxxxxxxxxx>... Mail rejected due to possible SPAM
> > 
> > I checked by ORDB hosts above, but no one is an Open Relay. I 
> > checked my access file, and neither one domain from Austria 
> > is inside nor any IP Address of this domains. 
> 
> How many addresses do you have in your access file? AFAIK that is the
> only place that generates that message. Did you make any 
> manual entries?
> Is it possible you have either at or eu.net or austria.eu.net or ac.at
> or univie.ac.at in there? Did you manually enter 131.130.233 or just
> 131.130 into your access file?
> 
> I would download /etc/mail/access and look at it in a text editor.
> 
> -- 
> Dan Kriwitsky
> 
> Please reply to the list only. Offlist replies are not read.

I checked /etc/mail/access many times, and no one is entered within. And
this is only a few domains from austria. Rejected are many more. I
checked by http://dsbl.org/listing.html the IP addresses from domains,
but only one is listed there, all another aren't listed there. I used
earlier modified sendmail.cf to check ORDB database for Open Relays, and
the problems with austrian domains started then. I restored original
sendmail.cf, but the problem persist, and I have the same problem on two
servers.
any customers terminated their accounts because they can't receive mails
from Austria, and I can't find any solutions. 

Best regards,
Mike