[Bug 150430] New: Sending Mail via SMTP-AUTH fails ... qmail mailserver with smtpauth + pop-before-smtp

[sim0n]

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http://bugs.kde.org/show_bug.cgi?id=150430         
           Summary: Sending Mail via SMTP-AUTH fails ... qmail mailserver
                    with smtpauth + pop-before-smtp
           Product: kmail
           Version: 1.9.7
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs kde org
        ReportedBy: sim0n trypill org


Version:           1.9.7 (using KDE KDE 3.5.7)
Installed from:    Gentoo Packages
Compiler:          Target: x86_64-pc-linux-gnu
OS:                Linux (x86_64) release 2.6.21.7

The mailserver is qmail, and smtp-auth and pop-before-smtp are enabled.
When I set up kmail to use TLS and Plain as login methods it fails with the following error:
The server responded: "you are already authenticated"

Using "Login" instead of plain doesn't work at all.
This is a problem with kmail, as the same settings work without any problem in thunderbird (and outlook).
The server message is only a notice not an error as kmail interprets it. It should just continue, but it doesn't.

This is a major problem for me as I'm unable to currently use that outgoing mailserver with kmail.

The server reports the following features:
250-domain.tld
250-AUTH=LOGIN CRAM-MD5 PLAIN
250-AUTH LOGIN CRAM-MD5 PLAIN
250-STARTTLS
250-PIPELINING
250 8BITMIME


If you need any more information, please let me know.
I could also create an account for a developer willing to have a look at this.