Client shows incorrect message counts

[John Stoffel]

>>>>> "Antonio" == Antonio Leding <tech at leding.net> writes:

Antonio> Hello all…
Antonio> First, a disclaimer…I am aware that this is very likely not a Dovecot related issue but I am truly pulling whatever hair I have left out of my head and given the brain-power of this mailer, I thought someone might know what is going in here.

Antonio> The issues is this…

Antonio> I check the message counts for a given account using doveadm
Antonio> and get a given number.  I then configure the same account in
Antonio> 3 mail clients: Apple Mail, Mailmate, and Thunderbird.  Both
Antonio> the Mailmate and Thunderbird message counts match exactly
Antonio> with the doveadm numbers.  Apple Mail is low in almost all
Antonio> cases.

I think the problem is that Apple probably uses "SELECT INBOX" instead
of "EXAMINE" mailbox.  Look in the archives for my question about this
issue back in Oct 1, 2019.  It's a client issue, and (imho) a mistake
in the IMAP specification.  But I haven't spent any time reading the
spec closely to understand the reasoning.

John