+ accept condition = ${if eq{$acl_c_mode}{submission}}
+
+ ## Otherwise we should check.
+ deny
+
+rcpt_spam:
+
+ ## See if we should do this check.
+ accept acl = skip_spam_check
+
+ ## Always accept mail to `postmaster'. Currently this is not
+ ## negotiable; maybe a tweak can be added to `domains.conf' if
+ ## necessary.
+ accept local_parts = postmaster