Hi Wietse, that sounds great.
Is there a RHEL5 source package available for building postfix-2.8-20100913? Thanks Morten > -----Original Message----- > From: owner-postfix-us...@postfix.org [mailto:owner-postfix- > us...@postfix.org] On Behalf Of Wietse Venema > Sent: Monday, September 13, 2010 9:55 PM > To: Postfix users > Subject: Postscreen update > > Postscreen is a single Postfix 2.8 daemon that keeps spambots away > from Postfix SMTP server processes, so that more Postfix server > resources remain available for handling mail. It will hopefully > become part of the next stable Postfix release. > > After adding DNSBL weights and filters two weeks ago, I rewrote > the remainder of postscreen in the past 1+ week, and spent the past > several days updating documentation so that people can actually > use this thing. The re-born postscreen has been running on several > sites since the beginning of the weekend. > > Postscreen now has a built-in SMTP protocol engine that allows it > to log the helo/sender/recipient of rejected mail. With a few good > DNSBL lists, this can dramatically reduce the load on Postfix SMTP > servers (blocking mail without logging is not an option for everyone). > > One cautionary note: postscreen is meant to handle mail from MTAs > not end-user clients. Its protocol tests are safe for properly- > implemented MTAs, but they have not been tested with end-user > systems. Of course end-user systems should connect to the submission > port, not the port 25 that postscreen listens on... > > See http://www.porcupine.org/postfix-mirror/POSTSCREEN_README.html > for an overview, configuration information and more. > > The last code drop was postfix-2.8-20100913, which is the same code > as snapshot 20100912, but with a bunch of minor documentation fixes. > > Be sure to review the RELEASE_NOTES file if you are upgrading from > an older postscreen version - the DNSBL implementation now reveals > the DNSBL domain name in SMTP replies, so it needs to be censored > to avoid disclosing ZEN etc. passwords. > > Wietse
