Yes, sending the e-mail is relatively simple. The hardest bit will is data validation and calculations to find the which is @ -60 days
Set a few of the dates in your workbook to around April and it will pick them up and send an e-mail off (make sure you have your e-mail in the cells when testing it)
I've put some tests and it send emails. I've put some minor error traps in there for missing data but you may need more.
I recommend the John Walkenbach (think thats his name) Excel VBA programming book if you are getting started, its certainly helped me. As also the help received on this forum!
Heres something that should get you started, place it in a Module -
Bookmarks