Gecko/20110303 Thunderbird/3.1.9   
   UTC)   
   p.os.os2.misc:3103 comp.os.os2.beta:93   
   From: Jonathan de Boyne Pollard    
      
   >> But your ISP has decided, in its "wisdom", to blacklist my entire ISP    
   >> for some unknown reason.   
   >>   
   > Were you sending from your own MTA or using NTL's? Try looking up    
   > NTL's mail server on . Also,    
   > what did the rejection message say?   
   >   
      
   The rejection message stated in no uncertain terms that the people at    
   PenTeleData had added NTL to their private black list.  It even gave the    
   IP address of NTL's outbound SMTP Relay client.  And it pointed to    
   http://www.ptd.net/RBL .  Read it and weep.  PenTeleData operates a    
   private blacklist of its own and it just added NTL to it for an unknown    
   reason.  Welcome to the balkanization of SMTP mail.   
      
      
   --- Internet Rex 2.31   
    * Origin: virginmedia.com (1:261/20.999)