I have a situation where my LMTP RCPT TO: goes to a mailbox user account that does not reflect either the final (through aliasing) or envelope email address.

SMTP RCPT TO: (envelope-local-part@envelope-domain) Final Recipient: (final-local-part@final-domain) LMTP RCPT TO: (mailbox-local-part@mailbox-domain)

I'd like to use the final recipient as the vacation address, but also have the envelope recipient address used in place of the LTMP RCPT TO for the envelope extension.

At the moment it looks like I can set one or the other?

Let's say I add an x-final-to and x-envelope-to header to the email headers before delivering via LMTP.

Then, setting:

sieve_vacation_use_original_recipient = yes lda_original_recipient_header = x-final-to

will get the vacation replies coming from where I'd like, but the envelope extension will not reflect the original SMTP envelope to.

Conversely, setting:

lda_original_recipient_header = x-envelope-to

might get the envelope extension working correctly, but will not give vacation replies from where I'd like.

Is there some way anyone is aware of to configure both final and envelope senders based on email headers (that doesn't involve lda flags, these are on different systems), or am I currently out of luck? I've tried playing with DSN ORCPT but it seems like a non-starter trying to get it passed through (exim)

-- David Zambonini