[MlMt] Moving messages to local storage

[David Ledger]

On 16 Jan 2017, at 9:52, Benny Kjær Nielsen wrote:

> On 15 Jan 2017, at 0:04, Kai Großjohann wrote:
>
>> On 31 Dec 2016, at 21:30, Dave C wrote:
>>
>>> If I understand, MM does not provide a means to download messages 
>>> from the IMAP server to local HD for archiving locally. All MM’s 
>>> features are to be used to move messages between IMAP folders.
>>
>> Yes.  Benny has described in the past a mechanism for creating a 
>> dummy account and to use its cache as a stand-in for a local account. 
>>  This was described as a workaround and I don't think it's officially 
>> supported.
>
> That is correct. I'll repeat the main caveat since it's important: If 
> you move an email from an *online* IMAP mailbox to an *offline* dummy 
> IMAP mailbox then it'll look like it was a successful move in 
> MailMate, but it'll leave MailMate with a pending move it cannot 
> complete. MailMate is very careful about not deleting an email from 
> the online IMAP mailbox until *after* it has completed the upload to 
> the *offline* IMAP mailbox (which never succeeds). The end result is 
> that the message is going to stay in the online IMAP mailbox and this 
> can be seen using any other IMAP client including MailMate running on 
> other machines.
>
> (One can force the move by instead doing a copy holding down ⌥ and 
> then delete the original message, but this is cumbersome.)
>
>> What I do is to run Dovecot on my MacBook and that's where my local 
>> mail goes.  It means that the local mail is on my disk twice (once in 
>> Dovecot and once in MailMate's cache).  That's the price I'm paying 
>> for being too chicken to do the workaround thing.
>
> That's wise in my opinion :)
>
> For long term archival I now simply recommend dragging emails out of 
> MailMate to save them on disk and then delete them in MailMate (and 
> thereby on the IMAP server). These are still going to be searchable 
> using Spotlight and viewable in MailMate (but not searchable in 
> MailMate).
>
> -- 
> Benny



Does dragging produce any different results to Command -> Export -> 
Select Export Folder, and can the results of either or both methods be 
re-imported using File -> Import Messages ?

What does Command -> Export -> Copy to box actually do?

Thanks,
David