Postal is described as 'The open source mail server - Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready for you to run on your own servers'. There are three alternatives to Postal for the Web and SaaS. The best alternative is Sendgrid, which is free. Other great apps like Postal are Mailgun (Paid) and Postmark (Paid).
- 3 alternatives
- Scalable email delivery for transactional emailSendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve...
- Mailgun is email automation for developers. Use our REST APIs to effortlessly send, receive and track email from your website or application.
- Postmark is a fast and reliable transactional email service. Send with Postmark to ensure your transactional emails get to the inbox on time, every time.
- Software as a Service (SaaS)