[MlMt] IMAP errors

[Ralph Alvy]

I ended up uninstalling and reinstalling MailMate, making sure to delete 
all its messages by deleting the MailMate folder in the Application 
Support folder. Still have this problem, of course. See inline comments.

On 21 Feb 2016, at 3:43, Benny Kjær Nielsen wrote:

> On 21 Feb 2016, at 1:48, Ralph Alvy wrote:
>
>>> Today I keep getting this error:
>>>
>>> MailMate encountered the following error: “Failed to fetch data 
>>> for 1 messages.”.
>>> Mailbox: “Sent”.
>>> This indicates a server bug. You can tell MailMate to always ignore 
>>> messages involved in this type of error (for this account) or you 
>>> can temporarily ignore the messages with the following UIDs: 
>>> “16600”.
>
> This type of error is handled differently in the latest beta of 
> MailMate. It won't really fix it, but you shouldn't get the error 
> message. Instead MailMate replaces the email with a dummy message. 
> Hold down ⌥ when clicking “Check Now” in the Software Update 
> preferences to try this.

Just downloaded the beta after the new MailMate install ran all night 
downloading messages. This time I got the same sort of warning but 
pointing to a different message UUID. And the problem message from 
before is sitting in my folder without being a dummy message. It's the 
real message. When I got the warning this time, I hit Temporarily Ignore 
and then exited MailMate and loaded MailMate again, hoping to generate 
the warning again so I can do what you suggested later in this reply.

>> I ended up telling MailMate to permanently ignore such errors. Other 
>> mail clients see that message, including MailMate on my other 
>> computer. It doesn't see it on this one. And other email clients see 
>> that message on this computer, like Mac Mail.
>
> Apple Mail might work because it asks for the message in a different 
> way, but it's strange if it works in MailMate on another machine (if 
> it's the same revision).

Both Apple Mail and PostBox downloaded the problem message. MailMate 
didn't.

>
>> I even moved that message with another email client to a different 
>> folder to see if that would cause MailMate to see it. No luck.
>
> If you hold down ⇧ when clicking “Retry” then a log file should 
> be generated on your Desktop. I'd like to see that to see exactly what 
> the server reply is.

I have seen a message here and there on my Desktop that MailMate put 
there, but never knew why it was there and deleted it. The next time I 
see that MailMate warning, I'll click Shift-Retry and send you what is 
dropped on my Desktop.

>> I later forced a MailMate index rebuild, and that didn't resolve it.
>
> My general advice is never to do this unless I've explicitly suggested 
> it. For most types of problems it won't make a difference and it'll be 
> a waste of time/resources.
>
>> Except, now MailMail takes a lot of time with its spinner, which used 
>> to result in that error message, but now it doesn't because I told it 
>> to stop issuing that message. Should I just uninstall MailMail and 
>> completely delete all its mail, and then reinstall?
>
> No, you can change the “always ignore” setting by removing the 
> line with `ignoreFailedUIDs` from this file (when MailMate is not 
> running):
>
> 	~/Library/Application 
> Support/MailMate/Messages/IMAP/<account>/State.plist
>
> If the problem then returns then we can debug it.
>
> -- 
> Benny
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