[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> wrote on :
> spamassassin and smtp-vilter works quite nicely for this, > you will want to generate an /etc/mail/access containing the > list of valid usernames so you can reject unknown users with > an SMTP error rather than having bounces for all the spam > sent to unknown addresses being backscattered to the people > whose addresses were forged:- > > To:example.com error:550 5.1.1 No such user > To:[EMAIL PROTECTED] OK > To:[EMAIL PROTECTED] OK > To:[EMAIL PROTECTED] OK M$ Exchange (2003) will do this just as well, possibly at a slightly greater overhead because of directory lookups... Look for "filter recpients not in the directory" Have you looked at the M$ Intelligent Message Filter which is part of SP2? I have spamassain+virus scan done by my provider; then run a virusscan+IMF on the exchangebox. -- drs. Mark C. Prins Spatial Fusion Specialist / Network Administration SkypeMe@ skype:mark.prins-caris.nl ______________________________________________________ Ping to Chart World Tour 2006 CARIS is hosting a five-day workshop near you. Visit www.caris.com/worldtour for details. ______________________________________________________ CARIS 2007 11th International User Group Conference and Educational Sessions 5 - 9 March 2007, Kuala Lumpur, Malaysia Register now to qualify for an early registration discount. Visit www.caris.com/caris2007 to learn more ______________________________________________________ CARIS Geographic Information Systems BV phone: +31 413 296 010 fax: +31 413 296 012 web: http://www.caris.nl product support: [EMAIL PROTECTED] sales/marketing: [EMAIL PROTECTED] ______________________________________________________ This email contains confidential information for the intended recipient. If you are not the intended addressee, please notify us immediately. You should not use, disclose, distribute or copy this communication if received in error. No binding contract will result from this message until such a time as a written contract has been signed on behalf of the company named above. ______________________________________________________ This message has been scanned for viruses using McAfee Groupshield. This message has been modified by the virusscanner. ______________________________________________________
