smb_faddrtoa(), smb_netaddr(), smb_subject_crc(), and smb_zonestr().

wildcards (e.g. "*.SHD").

mark found hashes and only write the not-found hashes to disk, rather than not
writing *any* hashes (when any match) because the message is a "dupe".
When update is false, the behavior is the same as before.

(using new xpdev/getfext function).
Now locks/unlocks message base for exclusive maintenance access.

Instead, the index is sorted to guarantee message numbers are indexed
sequentially. The message base may still be re-numbered using the -renumber
command-line option (not recommended).
The /m command-line option has been removed since the SMB_EMAIL status bit has
been supported for many years now.