Which mail server

There are many excellent mail servers out there, each with their own strengths and weaknesses. Here are some popular ones:

  1. Postfix: A popular, open-source mail server that's widely used on Linux systems. It's known for its reliability, security, and ease of configuration.
  2. Sendmail: Another popular, open-source mail server that's been around for a long time. It's known for its flexibility and customization options, but can be more complex to set up.
  3. Exim: A powerful, open-source mail server that's known for its reliability and security. It's widely used on Linux systems and is particularly well-suited for large-scale email infrastructure.
  4. Qmail: A secure, open-source mail server that's designed to be more secure than other mail servers. It's known for its robust spam filtering and virus protection.
  5. Microsoft Exchange: A commercial mail server developed by Microsoft, known for its robust feature set and tight integration with other Microsoft products.
  6. Zimbra: A commercial mail server that's known for its ease of use and scalability. It's popular among small to medium-sized businesses.
  7. OpenSMTPD: A modern, open-source mail server that's designed to be more secure and easier to use than other mail servers.
  8. Mailhog: A simple, open-source mail server that's designed for testing and development environments.
  9. Mailserver: A simple, open-source mail server that's designed for small-scale email infrastructure.
  10. iRedMail: A popular, open-source mail server that's designed for small to medium-sized businesses. It's known for its ease of use and robust feature set.

When choosing a mail server, consider the following factors: