Postal Alternatives

    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 five alternatives to Postal for Online / Web-based, Self-Hosted solutions and SaaS. The best alternative is Sendgrid, which is free. Other great apps like Postal are Mailgun (Paid), Postmark (Paid), Mailwhale (Free, Open Source) and Cuttlefish.io (Free, Open Source).

    This page was last updated May 19, 2021
    1. Scalable email delivery for transactional email SendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve higher deliverability. SendGrid integrates in minutes by just changing three SMTP settings.
    2. Mailgun is email automation for developers. Use our REST APIs to effortlessly send, receive and track email from your website or application.
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    4. Postmark

      • Software as a Service (SaaS)
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      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.

    5. Mailwhale

      • Free • Open Source
      • Online
      • Self-Hosted
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      A bring-your-own-SMTP-server mail relay with REST API.
    6. Cuttlefish offers basic bounce email handling, ensuring you maintain your good mail reputation by not resending to bounced addresses.
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    Showing 5 of 5 alternatives