DynDNS' MailHop Sees Major Anti-Spam Improvements

December 21, 2006

MANCHESTER, NH - DynDNS.com completed major improvements to its MailHop® services' anti-spam handling. Added features include user-defined thresholds for both tagging and auto-discarding of e-mail. MailHop customers also enjoy whitelisting and blacklisting of specific email addresses and wildcards by username, domain, or Top Level Domain (TLD).

These features are immediately available for all new and existing MailHop Relay and Forward services. For default settings, DynDNS.com recommends a tagging threshold of 6.0, an auto-discard threshold at 18.0, and virus filtering, in order to reduce spam and virii being delivered to customers.

DynDNS.com uses SpamAssassin and ClamAV for spam scoring and virus scanning, respectively. SpamAssassin is part of the Apache project, who are the makers of the popular Apache web server. ClamAV is a GPL virus scanner with impressive virii definitions and has been the first to detect a number of virii. DynDNS updates its ClamAV anti-virus definitions every four hours to catch even the newest virii.

MailHop services also features a number of DNS based blacklists (DNSBL). E-mail destined to a MailHop domain that is on a user selected DNSBL is automatically rejected. DynDNS.com supports lists such as the Spamhaus Block List, Spamhaus Exploits Block List, SpamCop Blocking List, and various RFC-Ignorant lists. MailHop services can also reject e-mail which comes from a server without proper reverse DNS.

The MailHop suite is a collection of e-mail processing services offered by DynDNS.com. MailHop Forward allows users to set up e-mail aliases in a domain name and forward e-mail to specific recipients for a given alias. MailHop Relay allows users to have DynDNS.com act as a smart relay agent for their e-mail server on a number of different ports. In the event that the user's e-mail server is down, DynDNS.com will queue mail and attempt delivery for the next 10 days.

About Dynamic Network Services Inc.

Founded in 1998, originally as a free DNS service for the Perl and open source communities, Dynamic Network Services Inc. (Dyn Inc.) has grown quietly and steadily to become one of the Internet's largest and most reliable providers of domain, zone and email solutions, through its innovative and well supported services. Still offering its signature free service, the company today plays a key role in keeping the Internet's DNS infrastructure at large running smoothly and stays faithful to its core values of engineering excellence. Additionally, Dyn Inc. also offers Dynect®, an enterprise class dynamic DNS offering.

DynDNS® and Dynect® are registered trademarks of Dynamic Network Services Inc. All other trademarks are the property of their respective owners.