not_smtp_start:
## Record the user's name.
warn set acl_c_user = $sender_ident
+ set acl_m_user = $sender_ident
## Done.
accept
deny message = Sender not authenticated
condition = ${if !def:acl_c_user}
+ ## Set the per-message authentication flag, since we now know that
+ ## there's a sensible value.
+ warn set acl_m_user = $acl_c_user
+
## All done.
accept