[CentOS] pop3 attack

John R Pierce pierce at hogranch.com
Wed Dec 10 17:49:47 UTC 2008

Ned Slider wrote:
> Bill Campbell wrote:
>> Your IP address,, is listed on zen.spamhaus.org, and
>> you can probably go to their web site to see why it's listed.
> It's listed on zen.spamhaus.org because it's in pbl.spamhaus.org which 
> is a policy blocklist:
> http://www.spamhaus.org/pbl/query/PBL238253
> Time Warner Cable/Road Runner's policy is not to permit outbound email 
> for this IP address range.

so, using a roadrunner mail server as a "smarthost" is the only viable 

More information about the CentOS mailing list