Posting directly to subfolder / "+"-Notation [postfix]

Christoph Moench-Tegeder cmt at
Thu Mar 31 07:22:38 EST 2005

## Rob Siemborski (rjs3 at

> However, the LMTP session can authorize each message as a particular 
> sender as well.  So while the postfix server authenticates to the LMTP 
> server as "postfix" or whatever, the postfix server is then trusted to be 
> correct when it says "this message sent by xyz".
> In that case, you can use SMTP Auth to your postfix server to submit the 
> message, which then relays the authentication info for the message.

I'm not sure if postfix is capable of doing so (but that's again
a postfix problem, not a cyrus problem...).
The documentation[1] says "Postfix [...] does not pass it on via SMTP
commands when forwarding mail, [...]" so I believe it's not possible.



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