Catch-all account RCPT TO field being re-written

[jupiter]

I have submitted a bug on this, but wanted to ask the question in the forums in case someone has some insight on it.

I had recently posted a question on the forums here:
http://www.zimbra.com/forums/showthread.php?t=3680

I followed the example and entered this command (I had already created the account):
zmprov ma catchall@domain.tld zimbraMailCatchAllAddress @domain.tld

I tested two emails addressed to:
RCPT TO:<something@domain.tld>
RCPT TO:"Some One"<something@domain.tld>

Both emails get delivered to the account catchall@domain.tld as expected, but the To: header has been changed to [To: undisclosed-recipients:;] instead of showing the correct header field [To: <something@domain.tld>] or [To: Some One <something@domain.tld>].

I can't tell if it's postfix or amavisd-new that is rewriting the header, most likely postfix. Is there a zimbraMailCatchAllCanonicalAddress option that needs to be added when creating a catchall account?

Any guidance would be greatly appreciated.

[KevinH]

Looks like a bug. Mind filing it in bugzilla?

[anand]

Please understand the difference between RCPT TO/MAIL FROM envelope addresses and To:, From:, Cc: message headers.

undisclosed-recipients is added by postfix cleanup if there are no To/CC headers.

[jupiter]

Thanks KevinH, I had filed a bug in Zimbra's bugzilla - #9480.

Thanks anand. My thoughts exactly - Postifx will re-write the To: message header when there is no To and is why I'm so confused... HOLD ON...

your comment

Please understand the difference between RCPT TO/MAIL FROM envelope addresses and To:, From:, Cc: message headers.

made me take a look at what I was doing - sending mail via telnet below:

telnet mail.domain.tld 25
220 mail.domain.tld ESMTP Postfix
HELO testmachine
250 mail.domain.tld
MAIL FROM:<test@test.com>
250 Ok
RCPT TO:<something@domain.tld>
250 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
Subject: test catchall

testing again

.
250 Ok: queued as 24F425A85B3
quit
221 Bye

I realize now what I've done wrong, first I tested using a MUA like thunderbird and it worked (I should have done this from the start). Then I retested using the correct commands below which also worked.

220 mail.domain.tld ESMTP Postfix
HELO testmachine
250 mail.domain.tld
MAIL FROM:<test@test.com>
250 Ok
RCPT TO:<something@domain.tld>
250 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
Date: 11 Aug 2006 11:45:00
From: test@test.com
To: something@domain.tld
Subject: test catchall

testing again

.
250 Ok: queued as D06E05A85B3
quit
221 Bye

When seting up a mail server I'll always test some initial things via telnet first. I'll test virus patterns like Eicar-Test-Signature to test the anti-virus daemon, sometimes I'll cheat and not put the full message headers in for this test, not thinking. Thanks again for guiding me down the right path, I'll also post a reply in bugzilla to close the bug.