Re: no longer able to delete emails

"Jun 23 07:30:58 email-001 dovecot: imap (steven)<120035><W910Ii44SNgAAAAAAAAAAAAAAAAAAAAB>: Error: Mailbox Trash: ftruncate() failed with mbox: Structure needs cleaning"

There's corruption in your filesystem. Dovecot can't do anything about this - it is the system call that's failing when trying to access the data.

michael