> >I have the slight feeling that any incoming email relayed to > >Imail by it's own IP address (i.e. relayed by our antivirus > >SMTP service) is trusted and not scanned. > > > >Can anyone shed any light on this? > > You figured out the problem. > > Most basic anti-spam programs can only run spam tests based on the IP > address of the mailserver that connects to it. If you have a gateway or a > backup mailserver, you need to either: > > [1] Run advanced anti-spam software that handles gateways/backups, or > [2] Run anti-spam software on the gateway/backups, or > [3] Accept spam that comes through the gateway/backups. > > There are some spam tests that don't require the IP address, however. But > the most well known spam tests are the public spam databases, that work > almost exclusively based on the IP address of the sender.
In other words, 86 InterScan and get a better and cheaper anti-virus and spam checking program. Gee, Declude comes to mind. John Tolmachoff MCSE CSSA Engineer/Consultant eServices For You www.eservicesforyou.com To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
