Oh, I actually have an idea that should work :)

Since this is behind a firewall I can assume that you dont need any
protection from spammers

Just setup Xmail runing on different ports/Ip/machine/etc just as an open
relay

-----Mensaje original-----
De: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]En
nombre de Rob Arends
Enviado el: Sunday, February 16, 2003 10:42 PM
Para: XMail mailing list
Asunto: [xmail] SMTP routing based on source email address ??


This is probably a good one for Davide.

I have a customer that wants to route certain outgoing emails though a
different internet link (a faster link) for certain users of a domain.
It gets better !!
The two internet links are connected to the same firewall, so at the IP
layer the firewall (a packet filtering only firewall) cannot distinguish
between the two user groups.
My thought was that I could have two instances of xmail running bound to
different IP addresses, and route the priority users through the second
xmail, the firewall would see a different source IP and be able to route the
traffic accordingly.
The problem is, how to route at the application layer, certain users to the
second xmail.

All users have the same internet domain.  I'm not concerned with incomming
mail, it can come in through the first xmail server.

Alternately if anyone has other options for achieving the same end, or other
products that can route email based on source email address, I'd really like
to hear about them.

Thanks Rob  :-)



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