Subject:

Thanks for opting in

Body:

Thanks a lot for opting into my mailing list.  I really hope you
enjoy the weight loss series bonus.  It is a great guide that will 
really boost your weight loss efforts.

Opting in for a bonus like this, or a mailing list is a great way to
make yourself accountable.  Ever so often I may drop you a line
to see how things are going.  I may even have some more great
free resources to give you.  I will always be available for a quick 
tip as well.

Thanks again for opting in, and please enjoy and use the guides
we so eagerly created.

You might want to consider whitelisting this email since we will
be talking about weight loss, and a lot of email spam protectors
don't like those words...for obvious reasons. :)

Good luck!