[kmail2] [Bug 420766] FROM field empty in some e-mails

[Tim Mohlmann]

https://bugs.kde.org/show_bug.cgi?id=420766

Tim Mohlmann <muhlemmer at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |muhlemmer at gmail.com

--- Comment #1 from Tim Mohlmann <muhlemmer at gmail.com> ---
Same problem here. Arch Linux with KMail 5.14.0. Verified with KMail on 5.13 on
Kubuntu and bug does not exist there.

In fact, the smtp "envelope from" is empty. In my case this is causing all
outgoing mail not being DKIM signed by the server and rejected by bigger
hosters like Gmail.

A logs from the sever:

mail postfix/smtpd[15514]: connect from
mailu_front_1.mailu_default[192.168.203.3]
mail postfix/smtpd[15514]: 522801C1F36:
client=5-15-244-176.residential.rdsnet.ro[5.15.244.176], sasl_method=XCLIENT,
sasl_username=tester at usrpro.io
mail postfix/cleanup[15518]: 522801C1F36: replace: header Received: from
localhost (5-15-244-176.residential.rdsnet.ro [5.15.244.176])??by
mail.usrpro.io (Postfix) with ESMTPA id 522801C1F36??for <admin at test.mailu.io>;
Sat,  2 May 2020 13:17:20 +0000 (UTC) from
5-15-244-176.residential.rdsnet.ro[5.15.244.176]; from=<>
to=<admin at test.mailu.io> proto=ESMTP helo=<localhost>: Received: from
authenticated-user (PRIMARY_HOSTNAME [PUBLIC_IP])??by mail.usrpro.io (Postfix)
with ESMTPA id 522801C1F36??for <admin at test.mailu.io>; Sat,  2 May 2020
13:17:20 +0000 (UTC)
mail postfix/cleanup[15518]: 522801C1F36: message-id=<>
mail postfix/qmgr[118]: 522801C1F36: from=<>, size=457, nrcpt=1 (queue active)
mail postfix/smtpd[15514]: disconnect from
5-15-244-176.residential.rdsnet.ro[5.15.244.176] ehlo=2 xclient=0/1 mail=1
rcpt=1 data=1 quit=1 commands=6/7

Notice that the from=<> is empty.

On the receiving side header look like:

Delivered-To: <admin at test.mailu.io>
Return-Path: <>
Received: from test.mailu.io ([192.168.203.11])
        by test.mailu.io with LMTP
        id OCXxBv9yrV6CFQAAMfcGgg
        (envelope-from <>)
        for <admin at test.mailu.io>; Sat, 02 May 2020 13:17:51 +0000
Received: from mail.usrpro.io (mail.usrpro.io [95.216.219.34])
        by test.mailu.io (Postfix) with ESMTP id B25B65DEBF
        for <admin at test.mailu.io>; Sat,  2 May 2020 13:17:50 +0000 (UTC)
Received: from authenticated-user (PRIMARY_HOSTNAME [PUBLIC_IP])
        by mail.usrpro.io (Postfix) with ESMTPA id 522801C1F36
        for <admin at test.mailu.io>; Sat,  2 May 2020 13:17:20 +0000 (UTC)
From: tester at usrpro.io
To: admin at test.mailu.io
Subject: smtp mail from is empty
Date: 2020-05-02 16:17:21.963507399 +0300 EEST m=+0.867210250
MIME-Version: 1.0
Content-type: text/html; charset="UTF-8"
X-Spamd-Bar: +++++
X-Spam-Level: *****
Authentication-Results: test.mailu.io;
        dkim=none;
        dmarc=fail reason="No valid SPF, No valid DKIM" header.from=usrpro.io
(policy=reject);
        spf=none (test.mailu.io: domain of mail.usrpro.io has no SPF policy
when checking 95.216.219.34) smtp.helo=mail.usrpro.io

The From in the body is set, but envelope from is empty.

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