[MlMt] some folders that won't sync (the others do with no problem

[Bill Cole]

On 2024-10-14 at 13:03:33 UTC-0400 (Mon, 14 Oct 2024 13:03:33 -0400)
Ken Pope <mailmate at lists.freron.com>
is rumored to have said:

>  I have many folders that sync fine but there are 5 that are grayed 
> out, say “failed,” and never seem to connect with the server.

Generally speaking, that is an indication that the folder is listed in 
one or both of the "subscriptions" lists (one maintained on the IMAP 
server and the other in MM itself) but is not actually accessible on the 
IMAP server.

MM marks mailboxes as Failed on the first failure, even though the root 
cause is sometimes transient. MM logs IMAP activity in the "Activity 
Viewer" window so if the failure was recent you may see it there, IF you 
had the window open when it happened. If you want to read the specific 
error, you can open the Activity Viewer and then force MM to retry that 
mailbox. The error will be a line with a server response with the word 
NO in response to a SELECT command for that mailbox.

> The easiest folder to describe is one with only 3 emails. The raw flag 
> for one of them says $notjunk. The other two say $notjunk/junk. All 3 
> indicate a SpamSieve score of 0.
>
> I’ve tried going up to “messages,” choosing “junk state” and 
> trying the different options, but nothing seems to help.
>
> I’m stuck.
>
> I would greatly appreciate any ideas you have on how to go about 
> solving this.

First: copy any messages that you want to keep from those folders into 
working folders. Fixing this includes MM "forgetting" about the folders.

Open the "IMAP Account Settings" accessible via the contextual menu for 
the account or the File menu. Click the "Edit Subscriptions..." button, 
which will open up the source mailbox list from server and show the 
state of each existing mailbox in the checkboxes on the right side. In 
some cases, MM will figure out the non-existence of the mailbox when 
retrieving that list, fix up its own records, and not show bogus 
mailboxes. If the bad source mailboxes are listed at all, they are 
probably greyed out (because they do not exist) with one or more of the 
checkboxes checked. Uncheck those. Save/apply (even if you didn't need 
to uncheck anything) and restart MailMate. The folders should no longer 
be shown in the Sources list.

In some cases, your IMAP server may be broken in a way that the above 
does not fix (because the above fixes MM.) You then would need to figure 
out what exactly that is by watching the Activity Monitor while MM 
attempts to synch the bad folders. That should provide more clues as to 
precisely why the synch is failing.


-- 
Bill Cole
bill at scconsult.com or billcole at apache.org
(AKA @grumpybozo at toad.social and many *@billmail.scconsult.com 
addresses)
Not Currently Available For Hire
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