[Dshield] DOS by Sorbs?
martin at forest.gen.nz
Wed Dec 21 23:58:02 GMT 2005
Are there many of you that have been "cornered" by Sorbs in Australia?
Suddenly, we started to receive complaints from users that we were on an
RBL list. And when I looked at it, we have been listed by Sorbs as a spam
site. After analysing the issue, it turns out that the complaint made to
Sorbs is faked/false and no warning was given to us. Basically, I
contacted the remote user (in Finland) that the complaint was referring to
and he have never heard of it. I also contacted our user, who the email
“was sent from”. As most of you probably is guessing by now, a classical
If we don't do “non delivery notifications”, we will break rfc's.
If we deliver non delivery notifications, we will most likely send crap to
Our mail servers do strict mail filtering and do not relay. We have a
commercial anti spam system for incoming email. Outgoing, incoming and
internal email systems are separated with a lot of security checks.
What is the general feeling amongst you lot?
Is it reasonable to be listed on RBL lists for following rfc's?
Have many of you had problems with Sorbs?
In order for them to remove us from their black list, they want money. Is
Is it normal custom to blacklist without warning?
Victoria University of Wellington
More information about the list