http://sourceforge.net Search for Spam Filter . No shortage. :) I use www.ravantivirus.com for my AV & Spam filtering on Unix box's . Works with both Sendmail & Qmail. Subscriptions are high but it's a good top end solution. For Small/Medium mailers. Hope that helps Matthew G Brown B & R Holdings LTD http://www.brh.co.nz -----Original Message----- From: Terence Bllyth [mailto:t.blyth(a)ctec.co.nz] Sent: 19 May 2003 22:33 To: nznog(a)list.waikato.ac.nz Subject: [nznog] Anti Spam software Can anyone tell me what the name of the Linux spam stopping software is, some one mentioned it a while ago, Email senders have to send a reply to it before it will pass on the email. (I know this description is vague). Thanks Terence Blyth Managing Director Computer Technologies Ltd 19 Alma Street Box 584, Nelson New Zealand Phone ++ 643 545 9001 Fax ++ 643 545 9002 www.ctec.co.nz PRIVILEGED - PRIVATE AND CONFIDENTIAL This email and any files transmitted with it are intended solely for the use of the addressee(s) and may contain information, which is confidential or privileged. If you receive this email and you are not the addressee (or responsible for delivery of the email to the addressee), please disregard the contents of the email, delete the email and notify the author immediately.