Apologies, I've been hacked

To all,
 
I am sorry that some of you received an email from my account that looked fishy.  I'm not sure how this happens, but it sure makes me angry.  In the future, know that my emails will have a valid looking subject to them.  If it looks odd at all, please don't open it up.  Also, if anyone has any ideas on how to go about fixing the problem, please let me know.
 
Thanks,
 
Ammon