Refactor SlmMail
Valid options
ocramius maestria
Add Mandrill
Remove unused file
Add Postage
Add postmark
Update docs
Typo
Add initial tests
Simpler variables handling for Mandrill
Simpler template content for Mandrill
Fix bug in template content Mandrill
Recursively filter parameters
Add Amazon SES support
Add ElasticEmail support
Add Mailgun support
Add SendGrid
Fix a namespace clashing
Update Mandrill.md