Every sync takes 10 minutes due to many messages missing from remote

Tree House yourewatchingtreehouse at gmail.com
Sun Jan 19 07:42:05 GMT 2014


I spent hours looking into why OfflineIMAP wasn't running my postsynchook,
which is just a basic bash script that invokes notify-send. When I saw an
email appear in my inbox, I wondered why I never saw my notification.

I ran offlineimap from the command line and watched its output. It kept
trying to copy Calendar messages (about 150 of them), but I kept seeing the
following error: "ERROR: IMAP server 'remote' does not have a message with
UID '[...]'". After the last Calendar message was processed, the next
autorefresh would kick off a minute later, and the cycle would start all
over again.

I finally saw my postsynchook run after the 10 minute sync.

What can I do? Why does OfflineIMAP constantly try to copy Calendar
messages (from a remote Office 365 Exchange server) that don't exist?

Even running with "quick = -1" (always quick) doesn't help. The sync still
took 7 minutes. I only have about 1000 emails and just the standard
mailboxes (inbox, sent, drafts, etc.). No new mail was received during any
syncs, so I'm surprised syncs are taking so long.

Thanks!
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