What are the mail servers available

There are many mail servers available, each with its own set of features, advantages, and disadvantages. Here are some of the most popular ones:

  1. Postfix: A popular open-source mail transfer agent (MTA) that is widely used on Linux systems.
  2. Sendmail: Another popular open-source MTA that is widely used on Unix-like systems.
  3. Exim: A widely used open-source MTA that is known for its reliability and security.
  4. Qmail: A secure and reliable open-source MTA that is designed to be more secure than Sendmail.
  5. Microsoft Exchange: A commercial mail server software developed by Microsoft, widely used in enterprise environments.
  6. IBM Domino: A commercial mail server software developed by IBM, known for its scalability and reliability.
  7. Zimbra: An open-source mail server software that is known for its ease of use and scalability.
  8. SquirrelMail: A free and open-source web-based email client that can also be used as a mail server.
  9. Roundcube: A free and open-source web-based email client that can also be used as a mail server.
  10. OpenSMTPD: A free and open-source MTA that is designed to be more secure and easier to use than other MTAs.
  11. PostfixAdmin: A web-based interface for managing Postfix mail servers.
  12. Mailman: A popular open-source mailing list manager that can also be used as a mail server.
  13. Courier: A free and open-source mail server software that is known for its ease of use and scalability.
  14. iRedMail: A free and open-source mail server software that is designed to be easy to use and configure.
  15. Mail-in-a-Box: A free and open-source mail server software that is designed to be easy to use and configure.

These are just a few examples of the many mail servers available. The choice of mail server depends on the specific needs and requirements of your organization or project.