Fix typo: SMPTS => SMTPS.
Fix typo: SMPTS => SMTPS.

gocd/docs.go.cd,gocd/developer.go.cd,gocd/docs.go.cd,gocd/docs.go.cd,ketan/docs.go.cd,gocd/developer.go.cd,ketan/docs.go.cd,gocd/developer.go.cd,ketan/docs.go.cd