[Bug 147468] New: TLS protocol fails where it shouldn't

[Peter Reinhart]

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http://bugs.kde.org/show_bug.cgi?id=147468         
           Summary: TLS protocol fails where it shouldn't
           Product: kmail
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs kde org
        ReportedBy: bigbug21-bugtrack web de


Version:            (using KDE KDE 3.5.6)
Installed from:    Ubuntu Packages
OS:                Linux

I have experienced quite some trouble trying to send messages via SMTP/TLS on almost all T-Mobile wireless networks at train stations all across Germany. Since the following error dialog says I should file a bug report and since I can't quite believe that one of the leading Wireless providers does not support a common protocol, here is the bug report.

The message below (in German) says that sending has failed because the TLS protocol is not supported. I should deactivate TLS in case I do want to send messages (unencrypted). In the end, it asks if it should continue sending the messages.

This is the full dialog in German:

***cut***
Das Versenden ist fehlgeschlagen:
Interner Fehler Bitte senden Sie einen ausführlichen Problembericht an 
http://bugs.kde.org Ihr SMTP-Server unterstützt das TLS-Protokoll nicht. 
Deaktivieren Sie TLS im Kontrollzentrum, falls Sie eine unverschlüsselte 
Verbindung aufbauen möchten (Persönliche Einstellungen -> Verschlüsselung).
Die Nachricht verbleibt im Postausgang, bis Sie entweder das Problem 
beseitigt haben (z. B. falsche Adresse) oder die Nachricht aus dem 
Postausgang entfernen.
Das folgende Transportprotokoll wurde benutzt: ...
Soll mit dem Versenden der verbleibenden Nachrichten fortgefahren werden?
***cut***

I have three profiles on my system, all for web.de e-mail accounts. They all deliver to smtp.web.de, port 25. Retrieving messages (via pop3/ssl) works flawlessly on all networks I have been on so far. I do not have any problem with my current settings on most wireless notworks and my cable access at home.

So, what should I supply in order to help solve what seems to be a kmail bug?