dovecot: debug_print = "T: dovecot for $local_part@$domain" driver = pipe command = /usr/lib/dovecot/dovecot-lda -f $sender_address message_prefix = message_suffix = log_output delivery_date_add envelope_to_add return_path_add group = mail user = vmail temp_errors = 64 : 69 : 70: 71 : 72 : 73 : 74 : 75 : 78