[kmail2] [Bug 360320] kMail 5 garbles original "To" header when bouncing a message

[Erik Quaeghebeur]

https://bugs.kde.org/show_bug.cgi?id=360320

Erik Quaeghebeur  changed:

   What|Removed |Added

 CC||kdebugs@equaeghe.nospammail
   ||.net

--- Comment #7 from Erik Quaeghebeur  ---
(In reply to Laurent Montel from comment #2)
> why your email have a + ?

That shouldn't matter, that address is valid according to the RFC:
.

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[kmail2] [Bug 360320] kMail 5 garbles original "To" header when bouncing a message

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=360320

Denis Kurz  changed:

   What|Removed |Added

 Status|UNCONFIRMED |CONFIRMED
 Ever confirmed|0   |1
 CC||kde...@posteo.de
Version|5.1 |5.3.1
  Component|general |misc

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[kmail2] [Bug 360320] kMail 5 garbles original "To" header when bouncing a message

[Gunter Ohrner via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360320

--- Comment #6 from Gunter Ohrner  ---
I fear we're somehow not talking about the same issue.

To summarize:
* I receive an eMail,
* I bounce it using kMail and
* the generated bounce message contains a garbled / invalid "To" header.

All I'm saying is that kMail should not garble the "To" header if I bounce a
mail - even if it's formatted in an unusual, but apparently technically
correct, way.

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[kmail2] [Bug 360320] kMail 5 garbles original "To" header when bouncing a message

[Gunter Ohrner via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360320

--- Comment #5 from Gunter Ohrner  ---
(In reply to Laurent Montel from comment #4)
> but 'localp...@example.com ' is not valid and smtp
> told you it. It doesn't accept to send it.
> => it's not a valid address.

Right, but an address like that does not appear in these mails.

The "To" address contained in the mail I received was

  "'mails.kmail-bug-t...@gunter.example.com'"


This, I think, is a valid address with an admittedly strange looking quoted
"display name" and an address specification in angle brackets.

Thus kMail should not garble this address if I merely forward a mail which
contains an address formatted this way.

However, if I "bounce" a mail containing a "To" address like this, kMail
destroys the "To" address line. (See the pasted "bounced" mail from above.)
This should not happen, kMail should bounce the mail as-is.

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[kmail2] [Bug 360320] kMail 5 garbles original "To" header when bouncing a message

[Laurent Montel via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360320

--- Comment #4 from Laurent Montel  ---
 localp...@example.com  is a valid address

but 'localp...@example.com ' is not valid and smtp told
you it. It doesn't accept to send it.
=> it's not a valid address.

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[kmail2] [Bug 360320] kMail 5 garbles original "To" header when bouncing a message

[Gunter Ohrner via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360320

--- Comment #3 from Gunter Ohrner  ---
I'll start with a disclaimer:

The point is, I'm not even using these addresses, the bug described happens if
I just want to bounce a mail which *contains* such an address - I'm using a
totally plain new address as the bounce target. The mail that is being
forwarded gets garbled in the process.


How does it happen that such mail addresses get introduced into mails I
receive?

Good question. However, I see addresses formatted like this quite frequently. I
guess it's an unlucky combination of different MUAs which first cause an
address like 

   localp...@example.com 

to be generated from the pure address, and in later steps the "real name" part
gets quoted somehow.

Possibly also Akonadi address search - or possibly older versions thereof -
might come into play, as addresses like this are often suggested to my by
kMails address search. Then again, it might also be that Akonadi just extracted
these strangely formatted addresses as-is from existing mails.

In any case, I think the format - strange, as it is - is technically correct
and addresses like this ought to work, shouldn't they?

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[kmail2] [Bug 360320] kMail 5 garbles original "To" header when bouncing a message

[Laurent Montel via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360320

Laurent Montel  changed:

   What|Removed |Added

 CC||mon...@kde.org

--- Comment #2 from Laurent Montel  ---
why your email have a + ?

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[kmail2] [Bug 360320] kMail 5 garbles original "To" header when bouncing a message

[Gunter Ohrner via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=360320

--- Comment #1 from Gunter Ohrner  ---
Still fails as of kMail 5.3.1.

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