[Bug 283442] New: SMTP: Sending fails if SMTP authentification occurs with different SMTP user name than factual email address

[Larx]

https://bugs.kde.org/show_bug.cgi?id=283442

           Summary: SMTP: Sending fails if SMTP authentification occurs
                    with different SMTP user name than factual email
                    address
           Product: kmail2
           Version: 4.7
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: bugzilla at go4more.de


Version:           4.7 (using KDE 4.7.1) 
OS:                Linux

This problem might be on the SMTP server side, but the setup worked in
pre-Akonadi times. I just can't get it to work after the Akonadi switch.

It's a bit difficult to describe:

The german provider 1&1 provides several email adresses, let's call them
"standard-mail at provider", "mail2 at provider" and "mail3 at provider" and so on.
However, for all email adresses you have to use the same SMTP account where you
authentificate with the user name "standard-mail at provider" and the
corresponding password. 

Reproducible: Always

Steps to Reproduce:
That means in kmail I have set up the identities "mail2 at provider" and
"mail3 at provider". For both I have, however, set up custom SMTP settings to use
the 1&1 server and authenticate with "standard-mail at provider".

Actual Results:  
Whenever I try to send mail with one of those identities, a error popup says
that the SMTP server rejects "mail2 at provider" or "mail3 at provider" as sender
address ("invalid mail address"). However, for authentification purposes, the
SMTP server should have been presented with the "standard-mail at provider" email
address.

Expected Results:  
Mail sends flawlessly.

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