Several folks using dovecot (and others) have run into this bug as reported
above. Not specific to attachments, but in general, broken syncing of Apple
Mail shipped with iOS 18.x.x - everything is fine with Apple Mail shipped with
iOS before iOS 18...and macOS Mail Version 16.0 (3826.300.87.4.3)
Well, I uncommented the imap_capabilities flag and REMOVED the IDLE capability
and now iOS 18 Mail client is getting and syncing emails. I suspect the folks
over at Stalwart were on to something I just don't know why command
pipelining had to be added by Apple for the important IDLE feature
FWIW, I uncommented the imap_capabilities flag in my conf.d/20-imap.conf file
and added everything to that line except IDLE. After removing IDLE from the
capabilities flag, mail started to sync to iOS Mail. This is strange. I also
noticed what appears to be a very HEAVY use of dovecot by the mai
I can confirm iOS 18.2.1 has no included IMAP IDLE fix. To verify this
assertion I did:
1. quit iOS Mail app AND shutdown my iPhone.
2. updated and commented out the imap_capability flag on my dovecot server:
conf.d/20-imap.conf (commenting it out means the defaults (including IDLE) will
be supp
