Gracias por la respuesta, pero no está aún en las listas, he mirado tanto en Spamhaus como en mxToolBox y no veo que esté:
Cita: AHBL OK 47
ANT OK 109
BACKSCATTERER OK 47
BARRACUDA OK 31
BURNT-TECH OK 16
CASA-CBL OK 78
CASA-CBL+ OK 94
CASA-CDL OK 78
CBL OK 47
CYMRU-BOGONS OK 47
DAN-TOR OK 109
DAN-TOREXIT OK 109
DEADBEEF OK 78
DNSBLINFO OK 78
DRONE-BL OK 94
DUINV OK 140
DULRU OK 187
FABELSOURCES OK 109
GIRL OK 109
GRIP OK 109
HIL OK 109
HIL OK 109
HILLI OK 187
ICMFORBIDDEN OK 203
IMP-SPAM OK 187
IMP-WORM OK 187
INTERSIL OK 187
ivmSIP OK 187
ivmSIP/24 OK 187
KEMPTBL OK 187
KUNDENSERVER OK 187
LASHBACK OK 187
LNSGBLOCK OK 187
LNSGBULK OK 187
LNSGDUL OK 187
LNSGMULTI OK 187
LNSGOR OK 187
LNSGSRC OK 187
MAILSPIKE-BL OK 203
MAILSPIKE-Z OK 203
MSRBL-Combined OK 515
MSRBL-Images OK 484
MSRBL-Phising OK 203
MSRBL-Spam OK 343
MSRBL-Viruses OK 328
NERD OK 218
NETHERRELAYS OK 218
NETHERUNSURE OK 218
NIXSPAM OK 296
NJABL OK 296
NJABLDUL OK 296
NJABLFORMMAIL OK 296
NJABLMULTI OK 296
NJABLPROXIES OK 296
NJABLSOURCES OK 296
NLKUNBLACKLIST OK 296
NLKUNWHITELIST OK 296
NOFALSEPOSITIVE OK 296
NOMOREFUNN OK 296
ORID OK 312
ORVEDB OK 312
OSPAM OK 312
PDL OK 312
PSBL OK 312
RANGERSBL OK 312
RATS-Dyna OK 312
RATS-NoPtr OK 312
RATS-Spam OK 312
RBL-JP OK 312
REDHAWK OK 312
RRBL OK 312
RSBL OK 312
SCHULTE OK 312
SDERB OK 312
SENDERBASE OK 312
SERVICESNET OK 312
SOLID OK 312
SORBS-BLOCK OK 312
SORBS-DUHL OK 328
SORBS-HTTP OK 328
SORBS-MISC OK 328
SORBS-SMTP OK 328
SORBS-SOCKS OK 328
SORBS-SPAM OK 328
SORBS-WEB OK 328
SORBS-ZOMBIE OK 328
SPAMCANNIBAL OK 328
SPAMCOP OK 328
Spamhaus-ZEN OK 328
SPAMSOURCES OK 328
SPEWS1 OK 328
SPEWS2 OK 328
SWINOG OK 328
TECHNOVISION OK 328
Tiopan OK 328
TRIUMF OK 328
UCEPROTECTL1 OK 328
UCEPROTECTL2 OK 328
UCEPROTECTL3 OK 328
VIRBL OK 328
WPBL OK 328
WSFF OK 328
ZONEEDIT OK 328
CYBERLOGIC TIMEOUT ERROR, Reponse code=2 0
EMAILBASURA TIMEOUT 0
SPAMRBL TIMEOUT 0
Y en SpamHaus :
La IP is not listed in the SBL
La IP is not listed in the PBL
La IP is not listed in the XBL
¿Qué servidores de pago existen?
De todas formas esto es algo que tiene solución con Postfix en CentOS ¿o no?
Saludos