[EXT] doveadm backup from gmail with imapc

[Sami Ketola]

> On 11 Apr 2020, at 15.20, Ben Mulvihill <ben.mulvihill at gmail.com> wrote:
> 
> I tried setting imapc_cmd_timeout = 10s and that was enough to take the
> download process past the ID stage and on to downloading messages. 
> doveadm still failed the same ASSERT and core dumps, just not so soon.
> In four attempts  I downloaded 4200, 1800, 0 and 4200 
> messages respectively. That was yesterday. I tried today and have
> successfully downloaded a further 20000 messages without any core
> dumps. I ended up interrupting the process myself because I was 
> concerned at exceeding my ISPs fair usage limits. But by repeating
> the command from time to time I should gradually be able to synchronise
> the whole mailbox.


Nice!

Those assert crashes are probably a bug of somekind. Maybe Aki or Timo could take a look at them.

Sami