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  1. #1
    Junior Member cerckert's Avatar
    Join Date
    Sep 2004
    Posts
    19

    Default Slow Email Access Speed with IMAP and Thunderbird

    Hi Everyone,

    Does anyone have experience with WestHost's IMAP and Thunderbird email client.

    I wanted to speed up seek time when selecting emails. I know I have a lot of emails so. I've broken them up into separate folders. But is there anything else I can do to improve the lag time when opening mail folders?

    Thanks.
    Christopher Erckert, EN

  2. #2
    Junior Member
    Join Date
    Mar 2007
    Posts
    15

    Default

    IMAP is slow for me, too. It doesn't seem to have anything to do with Thunderbird, since I have problems with Squirrelmail and Roundcube timing out as well. Talking to the IMAP server over a telnet connection on port 143, I can cound as much as a 15 to 20 second delay when doing a SELECT command for the first time in folders with ~2000 messages. When selecting the folder for the second time and after, the response is much faster.

    I wonder if this has something to do with some filesystem settings?

  3. #3
    Junior Member
    Join Date
    Mar 2007
    Posts
    15

    Default

    I've been reading more on this, and it doesn't look to me like it is a filesystem issue. Rather, it is more likely an issue with the IMAP server (Dovecot, right?) re-reading the mbox file when it opens the mail folder. Is mbox_very_dirty_syncs enabled? The only modification to the mbox file is generally going to be delivery of new mail by procmail, and Dovecot can pick that up quickly without re-reading the entire mbox file.

    Thoughts?

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