Postfix/X-Envelope-To
Hello All!
I wondering is someone knows how to add an X-Envelope-To header to all
incoming e-mails which reveal the "real" username even when working with
virtuals.
I tried several apoaches like:
---
# cat /etc/procmailrc
ENV_TO=$1
:0f
* ENV_TO ?? .
| formail -i "X-Envelope-To: $ENV_TO"
:0fE
| formail -i "X-Envelope-To: UNKNOWN OR CATCHALL"
---
The header modification is done well, but the this stage of delivery
ENV_TO=$1 does not reveal the real username.
RTFG shows me that this problem exists with many MTA (although exim
seems to have a single line config option for that)
Does anybody know a solution?
rgds,
Andreas
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