I suggest you setup smtp authentication. I setup this kind of smtp and it seems viruses cannot authenticate by themselves.
---- Nelson Serafica http://nelsontux.blogspot.com ----- Original Message ---- From: Jean-Paul Natola <[EMAIL PROTECTED]> To: [EMAIL PROTECTED]; users@spamassassin.apache.org Sent: Friday, October 24, 2008 8:05:45 AM Subject: RE: Spamassassin+amavis maybe if you block messages with no rdns record? if its from infected pc's there shouldnt be a record? ________________________________ From: Luis Croker [mailto:[EMAIL PROTECTED] Sent: Thu 10/23/2008 19:56 To: users@spamassassin.apache.org Subject: Spamassassin+amavis Hi... I have a mail server with FreeBSD 7.0, postfix+amavis-new+spamassassin. We are an ISP and I need to filter the spam that our susbribers are sending to internet, the PCs have some malware or are botnets. These PCs generates a lot of spam each day. The server filters a los of Spam but some times the queue is so crowded. I have to questions... Do you have any recomendation to improve the performance on the server ?? How can I catch more spam than the seerver is filtering ? The server blocks many messages but another spam messages goes to internet cause the score does not reach the parameters to be blocked. thanks a lot. Regards. New Email addresses available on Yahoo! Get the Email name you've always wanted on the new @ymail and @rocketmail. Hurry before someone else does! http://mail.promotions.yahoo.com/newdomains/ph/
