Overview

At XMission, we have the daunting task of seeking to block as much spam as we can without inadvertently blocking legitimate email and news. As these statistics show, we continue to take an aggressive stance against spam. In fact, we are now taking a more aggressive stance than ever using the Exim Message Transport Agent and SpamAssassin.

Spam Blocking Details

XMission blocks spam in two main ways. First, our mail server software is setup to assure that only our customers or people trying to communicate with our customers can send mail through our mail servers. Referencing the SBL and XBL DNS blocklists, for example, is just one of the many checks we perform on incoming mail to validate its authenticity. Second, all incoming email is scanned by SpamAssassin and given a numerical score indicating the likelihood that the message is spam. Currently, XMission defines anything over a score of 8 as spam. By default, we delete anything that scores over 8, unless you choose to opt-out of spam deletion, and automatically delete everything that scores over 15.

SpamAssassin Statistics



Detailed Statistics

SMTP Rejections - Message rejection details.

DCC - Messages checked against DCC.

XMission Mail Filtering

Protect yourself from junk email
http://www.xmission.com/help/email/spam/

Learn how to manage your mail and spam filters
http://www.xmission.com/help/email/spam/filter.html

Spam FAQ
http://www.xmission.com/help/misc/faqs/spam.html

Other Spam-Related Links

Wikipedia entry on spam
http://en.wikipedia.org/wiki/Spam_%28electronic%29

FTC's Email Address Harvesting: How Spammers Reap What You Sow
http://www.ftc.gov/bcp/conline/pubs/alerts/spamalrt.htm

Utah's Anti-Spam Bill that XMission helped author
http://www.le.state.ut.us/~2002/bills/hbillenr/hb0080.htm