From: mouss (usebsdfree.fr)
Date: Sun Dec 31 2006 - 09:59:19 CST

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Dogz wrote:
>
> Thank you for your information.
> It seems that I can't use postfix to do that, or maybe it can, just can't
> find the way to do it.
> But I have done to build another mail server in Windows platform for
> forwarding the mails to specific mail address, and my postfix server
> relays
> this server to send out the emails.

if you describe what you did on windows, we'll tell you how to do it
with postfix.
>
> If you have any information can do that, please let me know it, because I
> don't want to waste a server to do that, especially in windows platform,
> although the undersea cables are recoverred soon.

If what you want is send mail for **.cn to dogz.cndomain.example, then
a virtual alias like

/\.cn$/ dogz.cndomain.example

will do. But as said before

- the original recipient is lost from the envelope. It may still be in
the "To:" header (if it was there), but this is not always the case (for
instance, Bcc recipients won't be in the To header... etc).

- this breks recipient validation for all those of _your_ domains that
end in ".cn". If you have such domains, then you need to "fix" the
issue. one way is to have a special smtpd (with "its" cleanup) that
implements this virtual alias map (instead of implementing it on port 25).

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