[Bug 143134] New: kmail slow to jump between IMAP folders in online mode

Sunil funtoos at yahoo.com
Sat Mar 17 21:28:42 GMT 2007

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           Summary: kmail slow to jump between IMAP folders in online mode
           Product: kmail
           Version: 1.9.6
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs kde org
        ReportedBy: funtoos yahoo com

Version:           1.9.6 (using KDE KDE 3.5.6)
Installed from:    Gentoo Packages
Compiler:          gcc 4.1.2 
OS:                Linux

kmail can take >30 seconds to jump between fully downloaded inbox and sent-mail folders on the IMAP server. And don't ask about if I have to jump from a not-fully-downloaded folder to inbox: it will just hang with the godaweful "Retrieving Folder Contents" screen. At this very time, I am downloading headers for Trash folder and clicking on inbox has been showing me the screen for last 2 minutes.

The whole sequence:

1. click on inbox. let it download all headers.
2. click on sent-mail folder. let it download all headers.
3. jump between inbox and sent-mail folders. Long time between jumps anywhere from 5 seconds to 1 minute.
4. click on Trash folder, and immd. click on inbox. No inbox is shown but the blue screen with "Retrieving Folder Contents" stays there forever (now after 6 minutes, it is still there), till it completes downloading Trash header completely. It has hung so badly once that I need exit and get in again.

Compare those times with thunderbird: I click on a folder, I immd. start seeing the headers and window pane starts to increase in size (scroll bar expands). If at this time, I go to another fully downloaded folder, its view with msg headers appears instantaneously (less than 1 sec). I jump between folders and it takes less than a second.

So, what's up? Is there a setting that I missed? is it ipv6?

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