A light-weight (CodeIgniter, Twitter Bootstrap, SVG) email server (Campaign, Autoresponder and Transactional) and its free (Apache 2.0, AWS: SES, OpsWorks t2.micro, SQS, SNS, S3, RDS t2.micro, Route 53).

• List-unsubscribe

  • Autoresponders
  • Campaign
  • Transactional

• API Access

  - request/transactional/{message_id}
  - recipient/subscribe/{list}
  - recipient/unsubscribe/{list}
  - recipient/update-metadata/{list}
  - archive/get-info/{request_id}/{unsubscribe_key}

• Upload attachments to S3 (YYYYMMDD-HHMMSS_file_name.ext)
• Admin login
• Auto add List-Unsubscribe headers (if body includes {_unsubscribe_link})
• Auto inline CSS
• Minify HTML
• Auto Plain text email
• SNS, SQS - handle feedback (bounces, complaints, deliveries)
• Queuing and Multiple emails sending
• Campaign Archive - open/campaign/{list}/{created_hash}
• Open Subscribe open/subscribe/{list} and Unsubscribe open/unsubscribe/{request_id}/{unsubscribe_key}
• Google Analytics (click and open)

J (Will Smith) has to bring back Kevin Brown a. k. a. K (Tommy Lee Jones) to the MIB. Funny Scene.
Men In Black II - Post Office Scene