[MlMt] Question about re-installing MM—Do I lose my IMAP mailboxes in MM?

[Ken Pope]

Thank you so much for such a clear & detailed explanation.

What baffles me is that I migrated everything from a 2018 MacBook Pro to 
an M1 13-inch MacBook Pro and have changed nothing.  The set-ups are 
identical.  Yet while the MM/SpamSieve combo on the 2018 continues to 
work perfectly (I just got it out & checked), the MM/SpamSieve combo on 
the M1 doesn’t work at all.  Have tried everything I can think of, yet 
nothing seems to help.  Any suggestions greatly appreciated.  Thanks.

On 26 Jan 2021, at 21:44, Steven M. Bellovin wrote:

> On 26 Jan 2021, at 18:52, Ken Pope wrote:
>
>> Have tried all sorts of way to fix a problem w/ SpamSieve since I 
>> moved to an M1 13-inch MacBook Pro (checked everything: SpamSieve 
>> correctly labels spam but spam ends up in inbox & legit mail ends up 
>> in junk mailbox) and can’t think of anything else to do but 
>> uninstall both MM & Spamsieve & install new versions of both.
>>
>> My question is: If I completely uninstall MM, download a clean 
>> version & reinstall it, do I lose all the IMAP mailboxes I’ve 
>> created in MM?
>
> The IMAP mailboxes are on the server; it will neither know nor care
> that you've done anything to the client. However…
>
> Smart mailboxes are part of your MailMate configuration. If you wipe
> that out—more on that below—you'll lose them.
>
> It strikes me as extremely likely that your problem is configuration, 
> not
> the executables. Deleting and reinstalling the applications won't fix 
> that.
> Wiping out your configuration files would likely do more to fix your
> problem, but of course you'd have to recreate a lot. The question is
> what the issue might be.
>
> The obvious place to look is any rules—or any rules on any other 
> devices
> you have that talk to that IMAP server. For that matter, in some 
> situations
> there are server-side rules. Generally speaking, having more than one
> computer that can touch the same messages is a recipe for trouble.
>
>
>         --Steve Bellovin, https://www.cs.columbia.edu/~smb


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