#2259 new
Heidi Katz

IMAP Mailbox Deletion Failed

Reported by Heidi Katz | February 14th, 2019 @ 02:12 PM

From within MailMate (months ago), I chose to Delete (an empty) IMAP Mailbox. Ever since, it has shown that IMAP Mailbox with its name labeled in red text followed by: (failed). If I go directly to that IMAP account (browser, not MailMate), I see the Mailbox in question. If I try to delete it from there, I'm told it can't be deleted because it doesn't exist. Any ideas as to how I can make this Mailbox go away (which the IMAP account itself thinks doesn't exist)? Thank you!

Comments and changes to this ticket

  • benny

    benny March 4th, 2019 @ 12:19 PM

    Sorry about the late response. Could you first make sure this issue persists in the latest test release: Hold down ⌥ when clicking “Check Now” in the Software Update preferences pane.

    If it does, then send me the following file:

    ~/Library/Application Support/MailMate/Messages/IMAP/<account>/State.plist

    You can open the Library folder using the Finder's Go menu (you might need to hold down ⌥ to see the menu item).

  • Heidi Katz

    Heidi Katz March 4th, 2019 @ 02:48 PM

    I do have the latest release. I tried again just now to delete the mailbox in question while the account was online and then when it was offline. Both failed.

    I looked at the file you asked me to send you; I’d rather not send that in its entirety since it, in essence, includes lists of private info. Wondering if I can take care of things on my own. I see this string in the file (I’ve replaced the actual Mailbox name below with “NameOf Mailbox”):

    "INBOX/NameOf Mailbox " = {
        attributes = "\\HasNoChildren \\Noselect";
        delete = :true;
        mailbox_flags = "noselect";
        mailbox_state = "failed";
        new = ":true";

    Should I just delete those lines? In any case, I suspect they contain the info you are seeking.

    Thanks much!

  • benny

    benny March 5th, 2019 @ 07:46 AM

    • State changed from “new” to “accepted”

    If the mailbox is empty then you can just delete these lines. It'll re-appear if it exists on the server. Do it while MailMate is not running.

    The bug is that somehow related to the mailbox being in a state where it was both new (as found on the server) and deleted in MailMate. I'll see if I can use it to reproduce the issue.

  • Heidi Katz

    Heidi Katz March 5th, 2019 @ 04:08 PM


    I closed MailMate and deleted those lines in the State file. I opened MailMate and the folder was still there, but it no longer was in red (looked like all other folders). So I went to my webmail in a browser, still saw the file. Tried to delete from there but I’m still told it doesn’t exist. If I try to delete from MailMate, also told it doesn’t exist.

    So then I delete the lines from State.plist again and tried deleting what looks like a “normal” folder that reappeared again from within MailMate (without going to WebMail). Get the same “failed” error with the No 6 Mailbox does not exist message from MM.

    Thus, regardless, I’m back to where I’ve been for months. Looking at a Mailbox I attempted originally to delete from within MailMate and it being labeled in red text with (failed) following the folder name. And the .plist file looking like it did yesterday when I sent you the screenshot.

    This is very frustrating.

    Next idea?

    Thank you,


  • benny

    benny March 6th, 2019 @ 10:17 AM

    Sounds like this might not “just” be a MailMate bug, but that there's some kind of issue with this mailbox server side if I understand this correctly: “So I went to my webmail in a browser, still saw the file. Tried to delete from there but I’m still told it doesn’t exist.”

    Try the following:

    • Open the Activity Viewer (⌥⌘0) in MailMate. This enables logging.
    • Quit MailMate.
    • Fix the “State.plist” file (removing the mailbox).
    • Launch MailMate.
    • Wait for the mailbox to appear.
    • Try to delete it.
    • Wait for it to fail.
    • Use “Help ▸ Send Server Logs”.

    Then I'll review the logs.

  • benny

    benny March 7th, 2019 @ 08:45 AM

    • State changed from “accepted” to “fixcommitted”
  • benny

    benny May 27th, 2019 @ 01:05 PM

    • State changed from “fixcommitted” to “fixreleased”

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