You don't need Rackspace to use mailgun, but Sendgrid also works nicely and is i...

fourstar on May 16, 2014 | parent | context | favorite | on: Rackspace Hires Morgan Stanley to Evaluate Options

You don't need Rackspace to use mailgun, but Sendgrid also works nicely and is independent. Just like you don't need to use EC2 to use S3 (or Route 53, etc).