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Responsible Anti-spam Sites - Letter C

CacheNET (14 Jun 1999)
AUP: Our Policy
Abuse contact: abuse@cache.net

Anyone who spams from their CacheNet account is fined for $50 per incident plus $100 per hour of labor. CacheNET is also a subscriber to the RBL.

Caladan Communications (8 Feb 1998)
AUP: Caladan Communications AUP
Abuse contact: abuse@caladan.co.uk

Caladan does not allow relaying, nor other abusive practices such as denial of service attacks and (obviously) e-mail and Usenet spamming.

Camelot Internet (13 Dec 1997)
AUP: CIAS User Policy
Abuse contact: postmaster@cias.net

CIAS netblocks known abusers and uses filters to catch spam. Of course, they have disabled relaying as well.

Cave Network Group (8 Feb 1998)
AUP: Cave Communications - AUP
Abuse contact: abuse@cave.net

Cave uses IP blocking and has turned off relaying. They also have spam filters on their news server and charge $150 per spam received. This is enforced by agressively tracking down spammers and employing a hungry lawyer. <grin>

Cherryblue. Ltd (4 Sep 1999)
Other domain names: wail.co.uk
AUP: Standard Terms & Conditions
Abuse contact: spam@cherryblue.com

If someone spams through Cherryblue, they are charged one Euro for each spam sent.

CityNet Corporation (21 Dec 1997)
AUP: CityNet Internet Access T&C
Abuse contact: abuse@citynet.net

CityNet has a very strict spamming policy and also blocks relaying.

ClaraNet Ltd. (21 Dec 1997)
Other domain names: claranet.co.uk, clara.co.uk, claranet.com
AUP: ClaraNet's AUP
Abuse contact: abuse@clara.net

ClaraNet filters e-mail from known spammers.

Combase Communications Corp. (2 May 1998)
AUP: Combase Communications AUP
Abuse contact: abuse@combase.com

Combase has disabled relaying on their systems and does IP and domain filtering of known spam sites. They also block spam based on the contents of the From: field.

Communications World Network (6 Dec 1997)
Abuse contact: abuse@cwnet.com

CWNet will nuke the accounts of spammers upon discovery. Also,they charge $1 for every message that is relayed through them or received by them.

Concentric Network Corporation (27 Dec 1997)
AUP: Concentric Network TOS
Abuse contact: abuse@concentric.net

Concentric Network staffers are participants in the anti-spam list and indicate that they are against network abuse and are adding staff to handle the problem. They also charge $200/day for cleanup costs stemming from abuse incidcents. Concentric also maintains a status page where you can view the status of spamming incidents regarding their site.

Concordia University (21 Dec 1997)
AUP: Concordia centralized antispam measures
Abuse contact: postmaster@concordia.ca

Concordia fights spam by having disabled relaying, filtering with procmail, and by employing Neil Schwartzman. :-)

ConnectNet Internet Network Servicecs (13 Aug 1997)
AUP: ConnectNet T&C
Abuse contact: kit@connectnet.com

In addition to terminating spamming accounts with no refund,ConnectNet blocks incoming spam by checking IP addresses,domain names, and content based filters!Also, ConnectNet founded the SDISPAR (San Diego ISP Abuse Registry) to help educate local ISPs on spam and how to defend themselves against it.

Cornerstone Networks, Inc. (2 Jun 1999)
Other domain names: halifax.com
AUP: Cornerstone Networks - Acceptable Use Policy
Abuse contact: abuse@cstone.net

In addition to having a strong AUP, Cornerstone charges spammers $65/hour/employee in cleanup fees for dealing with a spam.

Cornerstone Technologies (4 Apr 1998)
AUP: Cornerstone Technologies AUP
Abuse contact: abuse@ctec.net

Whenever a customer of Cornerstone spams, they are charged 5cents per recipient and $60 per hour.

Corpsite (22 Mar 1998)
AUP: Corpsite Policy
Abuse contact: abuse@corpsite.com

Corpsite has spam blocking in place on their mailservers to block spam by domains and e-mail addresses. As a webhosting company, Corsite does not allow spamvertising of a customer's website.

Crosswinds (2 May 1999)
AUP: Crosswinds Guidelines
Abuse contact: abuse@crosswinds.net

In addition to charging spammers for $500 for each piece of e-mail they attempt to send, they also have an anti-spam section on their website that contains information on spam and what to do (and not do) about it.

CTS Network Services (27 Dec 1997)
AUP: CTS Network Services TOS
Abuse contact: abuse@cts.com

CTS employs a number of anti-spam measures, including: IPfilters, disabled relaying, scoring techniques on incoming and outgoing e-mail, limit on the number of recipients of outgoing e-mail, a secured NNTP server, and no refunds regardless of the level of access.

CXWeb, Inc. (8 Feb 1998)
Other domain names: cxweb.net
AUP: CXWeb, Inc.'s Anti-Spam policy
Abuse contact: webmaster@cxweb.net

Having had their name forged on a Usenet spam to 2,500 newsgroups, CXWeb is very anti-spam. They have turned offrelaying and only use opt-in mailing lists.

CyberENET Network (8 Oct 1996)

Abuse contact: abuse@cyberenet.net

CyberENET Network has a zero-tolerance policy for outbound spam.

CyberPort Station (7 Sep 1999)
AUP: CyberPort Member Agreement
Abuse contact: abuse@cyberport.com

Relaying is blocked and any spammers using CyberPort are nuked.

Cyberramp (26 Aug 1997)
AUP: Use Guidelines
Abuse contact: abuse@cyberramp.net

Cyberramp helps keep down the spam they get by subscribing to the Realtime Blackhole List.

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Doug Muth / dmuth@zorch.sf-bay.org