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> We are using Postini's filtering service and I want to force my VOPMail
> (5.1.202) to ONLY accept mail from Postini's servers and no where else.
> Thanks!
>
> Jason Roblyer
> NCTC.NET

This means that you don't want your customers to send mail via that machine.
Is that what you really want? Or do you only want mail from OUTSIDE YOUR
USER BASE to be able to send via postini?

You could limit your box to NOT RECEIVE ANY SMTP (ie port 25) on the Network
card that has the public address (advanced properties of the card - under
TCP/IP) . This of  course will prevent your customers from sending mail out
through it. You could then set up another card that had a private address on
it. You could then have a relay accept mail from POSTINI alone and transfer
it to the first box via the private address. You will need a separate SMTP
out box for your customers. This will preclude all SMTP authentication.

OR only allow SMTP on your block of addresses via the VopMail security
limits. This will allow your customers to use it but not customers outside
your address range. You will need the relay box to get mail from postini.
(there are cheaper alternatives to Vircom on this aspect of solving your
problem).


David Payer
OMNI Internet - www.iowalink.com
550 11th St #205, Des Moines, IA 50309
515-244-6664





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