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<div>Hello!</div><div><br></div><div>Having a problem here and am unable to solve it on my own and even dr Google is unable to help.</div><div><br></div><div>We have domain A on cloud, from where mail gets forwarded to our local server to domain B. Forwarding is done in</div><div>SPF-compliant way by using SRS (this part we have no control over). This SRS address ends up in</div><div>Return-Path header, and sieve vacation replies to this address.</div><div><br></div><div>This is all absolutely correct, but also useless, as sending mail to SRS address leads nowhere.</div><div><br></div><div>I've tried to edit headers in sieve before passing control to vacation, but that does not work. I tried modifying</div><div>Return-Path to the value of X-Original-Sender (both in user's sieve file and using scripts in "sieve_before"</div><div>parameter). Mail gets delivered with changed headers, but vacation acts upon original headers.</div><div><br></div><div>Is there a workaround? MTA is postfix (3.1.15), dovecot is version 2.3.4.1 (f79e8e7e4), Pigeonhole version 0.5.4</div><div>LMTP as local delivery agent.</div><div><br></div><div>Erik</div></body></html>