Nope, 100k was pretty sensible, yikes!
Maybe 500k was a bit too much
Bump up the size of work mail
Begin on the personal mailing lists..
Don't worry about syncing old mail
Reorganize Elastic IMAP folders
Auto-create IMAP folders only on slave
Still haven't solved the dot issue generally
Add folders to sync as separate channels to work around dots
Get all personal messages
Save work on renames and maildir setup
Make the test account work more like the others
Limit the size and amount of messages to sync