Outsourcing Your Transactional Email
If you’re running a large CMS, web app or other service, I’d recommend letting a service handle the heavy lifting when it comes to transactional email.
Outsourcing
SendGrid + WordPress = Happy Web Developer
SendGrid integrates nicely into WordPress to ensure that transactional email is sent quickly, easily, and reaches its correct destination.
4 Ways I’d Make Wufoo Even More Awesome
Wufoo is very full featured, with a robust API, a myriad of reporting options an several embedding options.