Free push mail server

Here are some free push mail server options:

  1. OpenSMTPD: An open-source SMTP server that can be used as a push mail server. It's available for Linux and macOS.
  2. Postfix: Another popular open-source SMTP server that can be used as a push mail server. It's available for Linux and macOS.
  3. Sendmail: A free and open-source SMTP server that can be used as a push mail server. It's available for Linux and macOS.
  4. Mailhog: A free and open-source mail server that can be used as a push mail server. It's available for Linux and macOS.
  5. Mailserver: A free and open-source mail server that can be used as a push mail server. It's available for Linux and macOS.
  6. Zimbra: A free and open-source mail server that can be used as a push mail server. It's available for Linux and macOS.
  7. iRedMail: A free and open-source mail server that can be used as a push mail server. It's available for Linux and macOS.
  8. Mail-in-a-Box: A free and open-source mail server that can be used as a push mail server. It's available for Linux and macOS.

Please note that some of these options may require technical expertise to set up and configure. Additionally, some may have limitations or restrictions on usage.

Here are some popular free push mail server solutions that are easy to set up and use:

  1. Mailgun: A free push mail server that offers 10,000 free emails per month. It's easy to set up and integrates with many popular services.
  2. Sendgrid: A free push mail server that offers 100 free emails per day. It's easy to set up and integrates with many popular services.
  3. Mailjet: A free push mail server that offers 6,000 free emails per month. It's easy to set up and integrates with many popular services.

Please note that these free push mail server solutions may have limitations on usage and may not be suitable for large-scale or commercial use.