>> We are running Postfix + amavisd-new-2.3.3-3 in our linux mail gateway. >> We have been hit hard lately with SPAM and our mail queue has been >> growing significantly to 10,000+ mails and it takes a few hours for the >> queue to go down. We received 1.6million spam messages last month and I >> believe this number is growing at around 5-10% monthly. >> >> We were hit with 65k spam messages between the 6 hours between 00:00am >> 06:00am this morning, by the time business starts, the mail queue was >> already soaring up to around 19k around 9am. I was watching the mail >> queue growth, the throughput of incoming mail -> postfix -> amavis >> (spamassassin only) -> postfix -> relay to internal hosts, was only 1-2 >> messages per second. >> >> Our configuration in postfix and amavisd are as follow, the server has >> 1.5G memory with SCSI disks (Raid 5) and 2 x 2.x Xeon processor - we >> feel the server has a decent profile and *should* cope with the >> requirement. >> >> We fiddled with the max proc for smtp-amavis below from 25, 50, 100 >> (and >> also change max_servers variable in amavisd.conf accordingly) but the >> rate/second throughput hardly changed during these periods. >> >> Would anyone be able to share some lights on our issue? please let us >> know if you require more information from our settings. >> >> Thanks >> >> CP
Are your queues filled with bounce messages because you are accepting mail to unknown recipients? Are you rejecting unknown recipients at the first postfix instance. ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ AMaViS-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/amavis-user AMaViS-FAQ:http://www.amavis.org/amavis-faq.php3 AMaViS-HowTos:http://www.amavis.org/howto/
