O'Reilly logo

SpamAssassin by Alistair McDonald

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Mailing Lists and Archives

Mailing lists are a useful tool for commerce and recreation. They allow a user to send emails to a single address, and the email is then forwarded to all the members of the list in a broadcast fashion. Spammers used to send messages to a mailing list, and they would be forwarded to all the recipients. To prevent this, most mailing lists require users to authenticate themselves in some way. This is a manual process that deters spammers who rely on automated processing.

Often, mailing lists are archived on the Internet for reference. If a spammer's web spider reaches a mailing list archive, it will have access to the email addresses of all the people who have posted on the list. Consequently, the latest versions of all ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required