On 14 Jan 2019, at 13:04, Randall Gellens wrote:
When the displayed count for a mailbox is "Recent," what does MM
count?
It counts emails having the IMAP `\Recent` flag. This is not as
useful as it might seem to be.
Exactly; the IMAP \Recent flag is not much use.
Aside from the fact that the IMAP \Recent flag is not inherently
useful, the MailMate displayed count does not match what the server
says. All my mailboxes show non-zero counts when the counter is set
to "Recent," but as a test I used telnet to connect to my server and
SELECT a mailbox that MailMate displays "215" when the counter is set
to Recent. When I SELECT that mailbox, the server reports 0 Recent:
You've just *discovered* why \Recent is intrinsically useless for any
client usage model involving multiple connections.
Quoting RFC 3501:
\Recent
Message is "recently" arrived in this mailbox. This session
is the first session to have been notified about this
message; if the session is read-write, subsequent sessions
will not see \Recent set for this message. This flag can
not
be altered by the client.
If it is not possible to determine whether or not this
session is the first session to be notified about a message,
then that message SHOULD be considered recent.
If multiple connections have the same mailbox selected
simultaneously, it is undefined which of these connections
will see newly-arrived messages with \Recent set and which
will see it without \Recent set.
Heisenberg and Schroedinger would love \Recent.
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