> On 2 Oct 2019, at 17.01, John Stoffel <j...@stoffel.org > <mailto:j...@stoffel.org>> wrote: > To look at all the mailboxes on the server and see how many RECENT > mails there are. For the postfix-users list, I see that there are 6 > recent messages. And if I do the list of mailboxes command again, it > returns the same count. Then if I go and look at the postfix-users > folder with my iphone, I see that I have 11 unseen messages. And > without opening a single message, I went back to my other MUA and > listed the folders, and now I have 0 unseen messages for 'postfix-users' > > I'll have to see if I can log the commands sent by my iPhone from the > server side to see what's going on here. But as you can see, it's an > annoying behavior.
It might be annoying but I know for a fact being a iPhone user myself that iPhone uses SELECT to open a folder and per-RFC dovecot then must update the flags. Sami