> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Victor Duchovni > Sent: Monday, October 13, 2008 11:38 AM > To: postfix-users@postfix.org > Subject: Re: Finally blocking some spam > > On Mon, Oct 13, 2008 at 11:33:15AM -0400, Joey wrote: > > > Hello All, > > > > > > > > I just wanted to share my success with you guys. I have been on the list > > for many years running 3 postfix servers. We don't have a lot of clients, > > but enough to warrant millions of connections a month by spammers. > > > > I have been using the RBL's along with other methods but we still get way > > too much spam. > > > > > > > > I have always used some firewall rules to block connections for port 25 from > > a variety of repeat offenders that connect to my servers and maybe we > > blocked a million or two a month . > > > > > > This still allowed about 14K connections per hour to hit our servers and > > resulted in blocking over 3 million of them via spamhaus RBL in one month. > > A spamhaus data feed for 1-5,000 commercial users is $1850/year... You > really should consider subscribing, rather than fighting spam with > country blocks... >
I am still using spamhaus at the RBL level wouldn't that be the same? I am trying to reduce overhead by getting it at the point of connection at the firewall level. Joey
