1) Update exiscan-acl patch to -09:
Improved clamd support.
New FAQ/example documentation.
2) Enable wildlsearch lookups by default and add new
WITHOUT_WILDLSEARCH knob for disabling them.
3) Issue a fat warning if 127.0.0.1 is found in the relay_from_hosts
hostlist of an existing configure file on upgrade. This is important
for IPv6 users and doesn't hurt IPv4-only users.
4) Attempt local deliveries as the owner of the mailbox (still group
mail) and don't fail if the existing mailbox permissions are narrower
than those with which we would have created it. This works around
pw(8) creating mailboxes with 0600 permission (instead of 0660).
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