Ryan Suarez a écrit :
> [snip]
> Cisco Unity allows users to receive their voicemail through email (as
> .wav attachment).  This email contains the header
> 'X-CiscoUnity-MessageType'.  They can also forward their voicemail to
> another user through email  by sending it to
> 'someotheru...@unityserver.mydomain.org'.
> 

instead of using headers, use address extensions
(user+extens...@domain.example). there is no point in changing the way
email works: email routing is based on envelope addresses, not headers.

> But this entails that a user remember the unityserver domain.  We'd like
> the process to be cleaner by allowing forwards to their public address. 

make this a configuration problem. provide an interface (web or other)
to let users forward to where they need...

> Then our smtp  will be responsible for rerouting it to the unity
> server.  Hope this helps.


if you still need using headers, then

/^X-Foo-Bar:/   FILTER ...

will pass the message to a content filter that you can write...

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