I would use the check user patch... That might be your best bet, it will check for the local user before the mail get's to qmail scanner.
-John ----- Original Message ----- From: "Michael Carmody" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, September 06, 2004 8:17 PM Subject: [Qmail-scanner-general]Being swamped by dictionary attack... > Hey All, > > Have a qmailserver with qmail-scanner currently being spammed by > several thousand emails a day on a 512/128 ADSL link. The link is > being saturated, which was fixed by lowering concurrencyincoming to > something ridiculously low. > > My problem now is the load is something phenomenal, and I would like > to reduce the load on the server by not scanning mail destined for > users who do not exist. > > The current spam attack is using random usernames and numbers, > prepended to the domain. > > So can I firstly: > Drop email destined for a non-user before being scanned ? (drop at > smtp negotiate level) > or secondly: > Get qmail-scanner to not scan any mail destined for a non-user ? > (check within perl script ?) > > > ------------------------------------------------------- > This SF.Net email is sponsored by BEA Weblogic Workshop > FREE Java Enterprise J2EE developer tools! > Get your free copy of BEA WebLogic Workshop 8.1 today. > http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click > _______________________________________________ > Qmail-scanner-general mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/qmail-scanner-general > ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click _______________________________________________ Qmail-scanner-general mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/qmail-scanner-general
