On 22 Nov 2018, at 22.28, Joel Dahl <j...@vnode.se> wrote: > > Hi, > > I've just upgraded dovecot from 2.2.35 to 2.3.2.1 on my mail server > and noticed something odd. My mail clients (mutt and Apple mail) both stopped > seeing new mail in my mailboxes. > > For example, ~/Maildir/mailinglist1/new has 5 new mails. In mutt, vieweing the > list of mailboxes mutt reports 0 new mail for "mailinglist1". Opening up the > actual mailbox in mutt reveals the 5 new mails. Going back to the list of > mailboxes, mutt now correctly reports 5 unread mails. Waiting a few hours, and > about 10 new mails have arrived, but mutt still says 5 unread. > > This is the same for every mailbox. As a test I deleted the index files for a > specific mailbox and restarted dovecot. But it didn't help. I use procmail to > deliver my mail into the Maildir folders, if that matters.
See if mailbox_list_index=no helps? Or switch to delivering via dovecot-lda (just tell procmail to deliver using it).
