The X-VM-IMAP-Retrieved header is not being used in the server folders code. It is only used in IMAP spool files.
A bug in vm-imap-clear-invalid-retrieval-entries was fixed in revno. 990. This should help clear away the old retrieved-messages entries when the UIDVALIDITY changes on the server. But the expunge operations are yet to be fixed.
The X-VM-IMAP-Retrieved header is not being used in the server folders code. It is only used in IMAP spool files.
A bug in vm-imap- clear-invalid- retrieval- entries was fixed in revno. 990. This should help clear away the old retrieved-messages entries when the UIDVALIDITY changes on the server. But the expunge operations are yet to be fixed.