Merge pull request #663 from sendgrid/develop

Ben is the right name 😍
Merge branch 'master' of github.com:sendgrid/docs into develop
Merge branch 'develop' of github.com:sendgrid/docs into develop
add link to Spam Checker POST example in SMTPAPI documentation.
Merge pull request #760 from jacobmovingfwd/docs600

Docs600

Closes #240