I like http://toolbox.mxhero.com http://toolbox.mxhero.com, It's free for unlimited messages and also does interesting things with attachments and a few other f

I like http://toolbox.mxhero.com http://toolbox.mxhero.com, It's free for unlimited messages and also does interesting things with attachments and a few other features I find useful. They also have an open source version http://sourceforge.net/projects/mxhero/?source=navbar http://sourceforge.net/projects/mxhero/?source=navbar