[Bug 70397] Misleading error message with failed SMTP auth

[Graeme Hewson]

Public bug reported:

Binary package hint: kmail

If the wrong password is used when connecting to an SMTP sever, kmail
displays a misleading error message.

The transport is configured with Encryption=None and Authentication
Method=PLAIN.  Ethereal shows the transaction as follows (trimmed and
munged):

250-PIPELINING 
250-8BITMIME 
250-SIZE 15728640 
250 AUTH LOGIN PLAIN 
AUTH PLAIN xxxx
535 authentication failed (#5.7.1)

Kmail then displays the message:

Sending failed:
Your SMTP server does not support PLAIN.
Choose a different authentication method.
The server responded: "authentication failed (#5.7.1)"
The message will stay in the 'outbox' folder until you either fix the problem (e.g. a broken address) or remove the message from the 'outbox' folder.
The following transport protocol was used:

The problem is not that the server doesn't support PLAIN.  Just entering
the correct password resolves the problem.

** Affects: kdepim (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Misleading error message with failed SMTP auth
https://launchpad.net/bugs/70397