Well, it shows the same thing on IE and Firefox, I am using gmail. so it could be something on them too, here is a heading for the reply you just did, genshou:
From: World - Morrus' D&D / d20 News & Reviews Site <EN>
To: <my mail, took out to avoid spam>
Date: 01/09/2006 01:07
Subject: Reply to post 'Bug - Mails from EnWorld...'