>Only if they have fixed IP addresses.
no, Imgate's pop-before-smtp works with dynamic ip addresses. >Think about what you're asking for, a method of authenticating a >sender. You need something to use as a credential that's imposable >to or very difficult to forge. IMGate gets the credentials from the user logging into Imail pop or imap. IMGate doesn't have to know the user's password, mail domain, or even mail account name. >If you are unable/unwilling to require that your users send you an >authenticating token (e.g. AUTH password) then about the only thing >left is the IP address the request is coming from. yep, and IMGate works with controlled, authenticated relay from dynamic ip addresses. :)) Len http://MenAndMice.com/DNS-training http://BIND8NT.MEIway.com : ISC BIND 8.2.4 for NT4 & W2K http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
