/me <thumps head> Very cool! Thanks for the idea on options! > > It can be done quite easily. > > > Two options: > > > Preferred: > > Configure webmail to send messages directly to the appliances. > > > > Alternatively: > > Install a dumb SMTP mailer on "D" that listens on a port other than 25. > Configure that dumb-mailer to forward all mail to the appliances. > Configure > webmail to send messages to the dumb mailer's listening port. > > > webmail -SMTP-> "D" dumb-mailer listening on tcp:125(example) -SMTP-> > appliances via static SMTP route -SMTP-> back to "D" tcp:25 via static > SMTP > route for local deliveries > > > > > > -----Original Message----- > From: ISP Lists [mailto:[EMAIL PROTECTED] > Sent: Wednesday, May 07, 2008 4:41 PM > To: vchkpw@inter7.com > Subject: [vchkpw] How to route local delivery through a separate SMTP spam > scanner > > A customer has challenged whether this can be done... > > Anti-SPAM appliances "A", "B", and "C" are available on an internal LAN > via DNS round-robin through SMTP at "appliance.example.com" > > VPOPMAIL server "D" is on the same LAN. > > Customer has had a few local accounts that had their password guessed and > spammers sent spam through webmail. > > Soooooooo............ > > We're considering doing something inline to the delivery process that > would 1) accept the authenticated user's email for remote/local delivery, > 2) force that delivery off of box "D" to "A-C" over SMTP in ALL cases (not > just remote), 3) Scan on "A-C", 4) return the inbound (local) mail back to > "D" for further delivery to the locals. > > I realize this is pretty insane, but the customer isn't excited about > adding a local spam daemon to "D" and would like to leverage the > investment in the appliances "A-C" to control for local delivery abuses. > The appliances are doing a nice job on SMTP scanning, but the vendor says > that their appliance does not have a "port listener" (like a spamd daemon) > that could answer a stream request - thus only SMTP will do. > > Ideas? THANKS! Dave. > > > > > > > >
!DSPAM:48225a58120502068847775!
