imap-fetch-safe

imap-fetch-safe is a compiled Lisp function in `imap.el'.

(imap-fetch-safe UIDS PROPS &optional RECEIVE NOUIDFETCH BUFFER)

Like `imap-fetch', but DTRT with Exchange 2007 bug.
However, UIDS here is a cons, where the car is the canonical form
of the UIDS specification, and the cdr is the one which works with
Exchange 2007 or, potentially, other buggy servers.
See `imap-enable-exchange-bug-workaround'.