bad.domain  554 match bad.domain
friend.bad.domain OK
bad-sender@  554 match bad-sender@
bad-sender@good.domain OK
good-sender@  OK
131.155.210  554 match 131.155.210
131.155.210.17  OK
131.155.210.19  REJECT
reject@this.address 554 match reject@this.address
open_user@some.site open
strict_user@some.site strict
auth_client  123456

dunno.com  dunno
foo.dunno.com  reject

44.33.22  dunno
44.33.22.11  REJECT
44.33   REJECT

reject@dunno.domain REJECT
ok@dunno.domain  OK
dunno.domain  DUNNO

reject@reject.domain REJECT
ok@reject.domain OK
reject.domain  REJECT

reject@ok.domain REJECT
ok@ok.domain  OK
ok.domain  OK
<>   550 Go away postmaster

54.187.136.235  reject bizsat.net, gypsysoul.org spam

blackholes.mail-abuse.org $rbl_code client=$client
 client_address=$client_address
 client_name=$client_name helo_name=$helo_name 
 sender=$sender sender_name=$sender_name  sender_domain=$sender_domain
 recipient=$recipient recipient_name=$recipient_name recipient_domain=$recipient_domain
 rbl_code=$rbl_code rbl_domain=$rbl_domain rbl_txt=$rbl_txt rbl_what=$rbl_what
 rbl_class=$rbl_class

dnsbltest.porcupine.org=127.0.0.3  $rbl_code service unavailable; $rbl_class [$rbl_what] blocked using $rbl_domain=127.0.0.3 ${rbl_reason?; $rbl_reason}

dnsbltest.porcupine.org  $rbl_code SERVICE UNAVAILABLE; $rbl_class [$rbl_what] blocked using $rbl_domain${rbl_reason?; $rbl_reason}

rhsbl.porcupine.org $rbl_code client=$client
 client_address=$client_address
 client_name=$client_name helo_name=$helo_name 
 sender=$sender sender_name=$sender_name  sender_domain=$sender_domain
 recipient=$recipient recipient_name=$recipient_name recipient_domain=$recipient_domain
 rbl_code=$rbl_code rbl_domain=$rbl_domain rbl_txt=$rbl_txt rbl_what=$rbl_what
 rbl_class=$rbl_class

dnswl.porcupine.org $rbl_code client=$client
 client_address=$client_address
 client_name=$client_name helo_name=$helo_name 
 sender=$sender sender_name=$sender_name  sender_domain=$sender_domain
 recipient=$recipient recipient_name=$recipient_name recipient_domain=$recipient_domain
 rbl_code=$rbl_code rbl_domain=$rbl_domain rbl_txt=$rbl_txt rbl_what=$rbl_what
 rbl_class=$rbl_class

rejecttext@bad.domain reject text
filter@filter.domain filter
filtertext@filter.domain filter text
filtertexttext@filter.domain filter text:text
hold@hold.domain hold
holdtext@hold.domain hold text
discard@hold.domain discard
discardtext@hold.domain discard text
dunnotext@dunno.domain dunno text
64.94.110.11  reject Verisign wild-card
topica.com  reject
10.10.10.10  reject mail server 10.10.10.10
spike.porcupine.org reject ns or mx server spike.porcupine.org
241   reject class E subnet
4.1.1_dsn reject 4.1.1 reject
4.1.2_dsn reject 4.1.2 reject
4.1.3_dsn reject 4.1.3 reject
4.1.4_dsn reject 4.1.4 reject
4.1.5_dsn reject 4.1.5 reject
4.1.6_dsn reject 4.1.6 reject
4.1.7_dsn reject 4.1.7 reject
4.1.8_dsn reject 4.1.8 reject
4.4.0_dsn reject 4.4.0 reject
user@4.1.1_dsn reject 4.1.1 reject
user@4.1.2_dsn reject 4.1.2 reject
user@4.1.3_dsn reject 4.1.3 reject
user@4.1.4_dsn reject 4.1.4 reject
user@4.1.5_dsn reject 4.1.5 reject
user@4.1.6_dsn reject 4.1.6 reject
user@4.1.7_dsn reject 4.1.7 reject
user@4.1.8_dsn reject 4.1.8 reject
user@4.4.0_dsn reject 4.4.0 reject