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shin0r · 17-02-2004, 12:22

It's hardly surprising - ntl's mail servers are some of the busiest in the UK.

However, they don't accept smtp connections from IP ranges *outside* their own network blocks, (i.e aren't open relays), and employ a spam harvesting algorithm to stop customers using dictionary attacks.

quoting from the Spamcop website: "This blocking list is somewhat experimental. This system and most other spam-filtering systems should not be used in a production environment where legitimate email must be delivered."

"The description of the algorithm used for deciding whether to block a host may be out of date, and is subject to change without notice.There is no warranty associated with using this system. It is provided as is."

It appears that mta08-svc.ntlworld.com has been placed on the blacklist due to the amount of email it sends. It's a mail server for one of the UK's largest ISPs, it always sends a huge volume of emails a day.

If you find your emails being bounced/blocked I'd recommend talking with the admins of the receiving ISP.

17-02-2004, 12:22	#3
shin0r Inactive Join Date: Oct 2003 Location: CARDIFF Posts: 26	Re: Email Servers On Spamcop blacklist It's hardly surprising - ntl's mail servers are some of the busiest in the UK. However, they don't accept smtp connections from IP ranges outside their own network blocks, (i.e aren't open relays), and employ a spam harvesting algorithm to stop customers using dictionary attacks. quoting from the Spamcop website: "This blocking list is somewhat experimental. This system and most other spam-filtering systems should not be used in a production environment where legitimate email must be delivered." "The description of the algorithm used for deciding whether to block a host may be out of date, and is subject to change without notice.There is no warranty associated with using this system. It is provided as is." It appears that mta08-svc.ntlworld.com has been placed on the blacklist due to the amount of email it sends. It's a mail server for one of the UK's largest ISPs, it always sends a huge volume of emails a day. If you find your emails being bounced/blocked I'd recommend talking with the admins of the receiving ISP.