1bad.domain 554 match bad.domain 2friend.bad.domain OK 3bad-sender@ 554 match bad-sender@ 4bad-sender@good.domain OK 5good-sender@ OK 6131.155.210 554 match 131.155.210 7131.155.210.17 OK 8131.155.210.19 REJECT 9reject@this.address 554 match reject@this.address 10open_user@some.site open 11strict_user@some.site strict 12auth_client 123456 13 14dunno.com dunno 15foo.dunno.com reject 16 1744.33.22 dunno 1844.33.22.11 REJECT 1944.33 REJECT 20 21reject@dunno.domain REJECT 22ok@dunno.domain OK 23dunno.domain DUNNO 24 25reject@reject.domain REJECT 26ok@reject.domain OK 27reject.domain REJECT 28 29reject@ok.domain REJECT 30ok@ok.domain OK 31ok.domain OK 32<> 550 Go away postmaster 33 3454.187.136.235 reject bizsat.net, gypsysoul.org spam 35 36blackholes.mail-abuse.org $rbl_code client=$client 37 client_address=$client_address 38 client_name=$client_name helo_name=$helo_name 39 sender=$sender sender_name=$sender_name sender_domain=$sender_domain 40 recipient=$recipient recipient_name=$recipient_name recipient_domain=$recipient_domain 41 rbl_code=$rbl_code rbl_domain=$rbl_domain rbl_txt=$rbl_txt rbl_what=$rbl_what 42 rbl_class=$rbl_class 43 44rhsbl.porcupine.org $rbl_code client=$client 45 client_address=$client_address 46 client_name=$client_name helo_name=$helo_name 47 sender=$sender sender_name=$sender_name sender_domain=$sender_domain 48 recipient=$recipient recipient_name=$recipient_name recipient_domain=$recipient_domain 49 rbl_code=$rbl_code rbl_domain=$rbl_domain rbl_txt=$rbl_txt rbl_what=$rbl_what 50 rbl_class=$rbl_class 51 52dnswl.porcupine.org $rbl_code client=$client 53 client_address=$client_address 54 client_name=$client_name helo_name=$helo_name 55 sender=$sender sender_name=$sender_name sender_domain=$sender_domain 56 recipient=$recipient recipient_name=$recipient_name recipient_domain=$recipient_domain 57 rbl_code=$rbl_code rbl_domain=$rbl_domain rbl_txt=$rbl_txt rbl_what=$rbl_what 58 rbl_class=$rbl_class 59 60rejecttext@bad.domain reject text 61filter@filter.domain filter 62filtertext@filter.domain filter text 63filtertexttext@filter.domain filter text:text 64hold@hold.domain hold 65holdtext@hold.domain hold text 66discard@hold.domain discard 67discardtext@hold.domain discard text 68dunnotext@dunno.domain dunno text 6964.94.110.11 reject Verisign wild-card 70topica.com reject 7110.10.10.10 reject mail server 10.10.10.10 72spike.porcupine.org reject ns or mx server spike.porcupine.org 73241 reject class E subnet 744.1.1_dsn reject 4.1.1 reject 754.1.2_dsn reject 4.1.2 reject 764.1.3_dsn reject 4.1.3 reject 774.1.4_dsn reject 4.1.4 reject 784.1.5_dsn reject 4.1.5 reject 794.1.6_dsn reject 4.1.6 reject 804.1.7_dsn reject 4.1.7 reject 814.1.8_dsn reject 4.1.8 reject 824.4.0_dsn reject 4.4.0 reject 83user@4.1.1_dsn reject 4.1.1 reject 84user@4.1.2_dsn reject 4.1.2 reject 85user@4.1.3_dsn reject 4.1.3 reject 86user@4.1.4_dsn reject 4.1.4 reject 87user@4.1.5_dsn reject 4.1.5 reject 88user@4.1.6_dsn reject 4.1.6 reject 89user@4.1.7_dsn reject 4.1.7 reject 90user@4.1.8_dsn reject 4.1.8 reject 91user@4.4.0_dsn reject 4.4.0 reject 92