Re: Does Gnus read and sync the read with IMAP?

[Björn Bidar]

Dan Christensen <jdc@uwo.ca> writes:

> On Oct 20, 2023, Eric Abrahamsen <eric@ericabrahamsen.net> wrote:
>
>> Dan Christensen <jdc@uwo.ca> writes:
>>
>>> Here's a followup question: how can I make Gnus update the marks
>>> for
>>> *all* IMAP groups.
>>
>> I once asked Lars about this -- since the IMAP server should be the
>> source of truth for all information about the messages, why does
>> Gnus
>> store its own marks data for IMAP groups at all? Why not just

How many imap server support imap metadata? Clients such as Thunderbird
already safe their metadata in imap.

>> refresh
>> from the server at each startup? I think he said that for many large
>> groups that would end up being prohibitively slow.
>
> I agree that it would be too slow for many people, especially with
> remote IMAP servers.  So I'd like an optional setting.  But I don't
> think it should have anything to do with Gnus shutdown and startup.

Why would it be to slow? Other mail clients fetch the read
status for each mail when they update the state of each
imap mailbox.

> *Every* time I hit `g', I want the marks to be refreshed from the IMAP
> server.  Presumably this is the same code that runs when Gnus starts
> up,
> so it would improve the behaviour at startup as well.
>
> Dan