braham--- via Postfix-users:
> Based on your input, I try to reproduce the issue. I have found that
> whenever the smtp_header_checks is enabled, no matter the content of
> the header check (I kept it empty also for testing). I can see that
> postfix is addring to <CF><LF><SPACE>. And when this setting is
> disabled, the mail format is correct with only one <CF><LF><SPACE> at
> the 2048 line_length_limit. I think issue is when postfix is acting as
> client, it's adding extra <CF><LF><SPACE>.
Does not reproduce.
I use empty header_checks:
$ postconf smtp_header_checks
smtp_header_checks = pcre:/dev/null
(I get the same results as below with "smtp_header_checks =
static:DUNNO").
Message with line > 2048:
$ cat /tmp/msg
To: wietse
Subject: aaaa...[line length 2080 not including <CR><LF>]
From: Wietse Venema <wietse>
Body.
(line length measured with: awk '/aaaa/ {print length}').
Submit the message:
$ sendmail -t < /tmp/msg
Message delivered via SMTP, then to mailbox file:
[skipping the Received: and DKIm-Signature: headers]
To: wie...@porcupine.org
Subject: aaa...[line length 998 not incl <CR><LF>]
aaa...[line length 1+997=998 not incl <CR><LF>]
aaa...[line length 1+85=86 not incl <CR><LF>]
From: Wietse Venema <wie...@porcupine.org>
Message-Id: <4y3lcd45mjz8...@wzv.porcupine.org>
Date: Wed, 04 Dec 2024 09:54:53 -0500 (EST)
Body.
(line lengths measured with: awk '/aaaa/ {print length}').
And the nmbers add up: 998 + 997 + 85 = 2080, as ecpected.
There is no extra <CR><LF><SPACE>, and there is no extra line break
after 2048.
Your move.
Wietse
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