An email server requires several components to function properly. Here's a list of essential elements:
- Operating System: The server needs a stable operating system to run, such as Linux, Windows, or macOS.
- Email Server Software: Software like Postfix, Sendmail, or Exchange to handle email transactions.
- DNS Configuration: Proper DNS settings are crucial for the email server to be discoverable.
- Firewall: To secure the server and allow only authorized traffic.
- Spam Filters: To prevent unwanted and malicious emails from reaching users' inboxes.
For more detailed information, check out our guide on Setting Up an Email Server.