+ # if you haven't already, add gemcutter to your gem sources
+ sudo gem install gemcutter
+ gem tumble
+ # install sendgrid
+ sudo gem install sendgrid
Before you can do anything with the sendgrid gem, you'll need to create your very own SendGrid account. Go ahead and do so at "http://sendgrid.com":http://sendgrid.com (there's even a FREE account option).