If you are using IMail on the secondary all you need to do is set up a dummy domain on the IP address and configure the anti-spam on that IP...Remember, Imail's anti-spam is controlled via the IP address you connect to the machine on not the domain...
Eric S ----- Original Message ----- From: "R. Scott Perry" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, July 28, 2004 3:23 PM Subject: Re: [IMail Forum] Spam Filtering on Secondary Mail Server > > >It seems that more and more spammers are using the > >secondary/backup/store-and-forward mail server to deliver their spam. > > Correct. They have been doing this for several years. That's one of the > main reasons that Declude JunkMail was designed from the beginning to work > with multiple "hops" -- which means that even if you have gateways or > backup mailservers, Declude JunkMail will still see the correct source of > the E-mail. > > >Filtering options seem limited in this configuration, since there are no > >hosts on the machine which to configure for spam filtering. > > For IMail v8's anti-spam, you are correct. > > >Furthermore, it seems that even though I do not have the secondary server > >IP whitelisted on the primary, spam still gets through... much to the > >chagrin of our BlackBerry users. > > That's because of two issues -- first, you can't whitelist the secondary > (backup) mailserver (or else ALL spam will get through it), and second, > IMail v8's anti-spam is one of many anti-spam programs that assumes that it > is the front end mailserver, and that there are no mailservers in front of > it. As a result, it assumes that the E-mail came from the IP of your > secondary mailserver. > > >Does anyone have a pointer to a definitive FAQ on setting up robust spam > >filtering when you have a secondary mail server that's being targeted by > >spammers? > > Yes -- you either need a fully featured anti-spam program (such as our > Declude JunkMail), or you need to work with the limitations of the > anti-spam software that you are using (spending time tweaking filters and > such, or creating your own blacklists). > > -Scott > --- > Declude JunkMail: The advanced anti-spam solution for IMail mailservers > since 2000. > Declude Virus: Ultra reliable virus detection and the leader in mailserver > vulnerability detection. > Find out what you've been missing: Ask for a free 30-day evaluation. > > --- > [This E-mail was scanned for viruses by Declude Virus (http://www.declude.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/ > 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/
