+tls_cipher \
+tls_peerdn \
+queue_time \
+ +queue_time_overall \
+deliver_time \
+ +received_recipients \
+ +unknown_in_list \
+smtp_connection \
+smtp_incomplete_transaction \
+smtp_confirmation \
+ +smtp_syntax_error \
+ +smtp_no_mail \
+smtp_protocol_error
received_header_text = Received: ${if def:sender_rcvhost {from $sender_rcvhost\n\t}\