doveadm backup from gmail with imapc

Sami Ketola sami.ketola at dovecot.fi
Thu Apr 9 13:48:53 EEST 2020



> On 31 Mar 2020, at 23.18, Ben Mulvihill <ben.mulvihill at gmail.com> wrote:
> 
> Hello again,
> 
> I am still stuck I'm afraid.
> 
> I now have doveadm backup working perfectly from
> a small gmail mailbox (a few hundred messages), but
> when I try the same configuration (apart from usernames
> and passwords obviously) with a large gmail mailbox
> (around 60,000 messages), doveadm connects successfully,
> replicates the gmail folder tree, then produces no further
> output until about 30 minutes later when the server times
> out and doveadm crashes. No actual messages are downloaded. 
> 

It's a while since we last performed migrations from gmail. Maybe they have changed something in the meanwhile.
Can you record imapc rawlogs from the session to see where it gets stuck? It might be gmail throttling the speed.

Sami




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