I believe the mail server associated with my domain name is acting as an open relay. Hosting company claims everything's good. How can I double-check? [more inside]
posted on May 15, 2007 - 12 answers

What's the state of the art in installable spam filters for Unix mail hosts? Spamassassin has failed me. [more inside]
posted on Nov 10, 2006 - 18 answers

Mail Administrators: are you seeing a huge increase in the amount of e-mail? [more inside]
posted on Oct 21, 2006 - 19 answers

Any tips for keeping email I send out of the recipients' spam folders? [more inside]
posted on Jul 10, 2006 - 12 answers

My emails to various AOL addresses get rejected... [more inside]
posted on Jun 2, 2005 - 11 answers