+acl_not_smtp = add_insane_refs
+
+
+# ----- ACL -----
+
+begin acl
+
+# Put an overlong refs header on the message-to-be-bounced, so we can check the
+# bounce has a sane header
+
+add_insane_refs:
+ warn !senders = :
+ add_header = References: \
+ <0.ZERO.78901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.ONE.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.TWO.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.THREE.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.FOUR.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.FIVE.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.SIX.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.SEVEN.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.EIGHT.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.NINE.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.TEN.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.ELEVEN.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net> \
+ <0.TWELVE.678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678@f.net>
+ accept