Björn Bidar <bjorn.bi...@thaodan.de> writes: > Dan Christensen <j...@uwo.ca> writes: > >> On Oct 20, 2023, Eric Abrahamsen <e...@ericabrahamsen.net> wrote: >> >>> Dan Christensen <j...@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.
I have never tried it, so I don't know if it would be slow or not. But this wouldn't just update the read status, this would remove all existing marks and refresh them from the server: ticks, replied, forwarded, everything. I could imagine that being pretty slow.
