I just upgraded from fedora 15 to fedora 16, which involves upgrading from 4.6.2 (I think) to 4.8.4, and kmail won't send emails anymore. worse, its behavior is bizarre.

(1) kmail does not even report any error in sending, despite the notification for failed sending being set to showing a message in a popup. I don't know if the problem is my password (probably not, since I can log in to the website), the authentication method, the port, or something else. kmail simply deposits the email in the outbox with nary a peep, despite the default send method being "Send Now".

(2) I have tried repeatedly to set up kmail according to comcast's specifications, using their guide for Thunderbird. Comcast wants SSL authentication through port 465, which I can set up, but kmail's setup requires me to specify whether authorization is plain or login. Comcast doesn't say, and the other clients don't require this information.

(3) The instructions for Thunderbird state that one should specify "auto detect" for authentication. This isn't a specification for kmail, but a button, so I press it -- and get random information each time. Sometimes, kmail even declares that the server does not require authentication, which is false.

(4) Per some advice given to someone else online, I checked the akonaiconsole, and it reports the mail dispatcher agent as working fine.

I'm a a total loss here. I've successfully set up both kmail and claws mail with Comcast in the past. Does anyone have this working? or, have advice on making it work? (besides switching to another mail client, which is what someone at fedora forum recommended... but I like the kontact integration too much for that...)

When I logged in this morning, the akonadi mail dispatch (or something) requested access to kdewallet. After granting it, I suddenly received a notification that mail was sent. The message I had tried to write last night finally went through!

LIkewise, new mail goes out now. Apparently it wanted me to restart the mail dispatch, or... whatever it was? (I'm not sure I have the name right.) But that doesn't appear in the akonadi configuration. Surely we don't have to log in anew any time we change a mail server setting?

It's a known problem (the mail dispatcher needing the wallet but not showing it). There's ongoing discussion on how to handle it.