RCPT ACL).
Headers will not be added to the message if the modifier is used in
-DATA, MIME or DKIM ACLs for messages delivered by cutthrough routing.
+DATA, MIME or DKIM ACLs for a message delivered by cutthrough routing.
Leading and trailing newlines are removed from
the data for the &%add_header%& modifier; if it then
with any ACL verb, including &%deny%&, though this is really not useful for
any verb that doesn't result in a delivered message.
-Headers will not be removed to the message if the modifier is used in
-DATA, MIME or DKIM ACLs for messages delivered by cutthrough routing.
+Headers will not be removed from the message if the modifier is used in
+DATA, MIME or DKIM ACLs for a message delivered by cutthrough routing.
More than one header can be removed at the same time by using a colon separated
list of header names. The header matching is case insensitive. Wildcards are