On Wed, Dec 16, 2009 at 12:34:39PM -0500, Ben Winslow wrote:
> This is only peripherally related to Postfix, but I'm wondering if
> anyone knows of a very simple SMTP proxy with XCLIENT support. We are
> transitioning some customers to a new mail server from one that used to
> serve (outbound) SMTP and POP3 on the same IP address; however, I would
> prefer not to run a full SMTP service on the new server when we already
> have perfectly good servers dedicated to this purpose.
>
> I don't need any special features like RBL checks, virus scanning, or
> SA integration -- our current SMTP servers can handle this as long as
> they know the client's real IP.
We have F5 load-balancers in front of some submission MTAs, and the
F5 is sending XCLIENT, as part of its connection hand-off script...
This may not be exactly what you are looking for, but if you already
have load-balancers in the mix, some may be able to redirect port 25
for you with XCLIENT support to the next hop.
--
Viktor.
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