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    FAQS
    Mail Server FAQs
    Answers to common questions about mail servers and email delivery

    A mail server is a software system that sends, receives, and stores email messages. It comprises an SMTP server for outbound mail and POP3/IMAP servers for inbound mail, ensuring reliable email delivery and retrieval.

    MX (Mail Exchange) DNS records tell other mail servers which host handles your domain’s email. Properly configured MX records ensure that incoming messages are routed to the correct server for delivery.

    Outgoing email uses SMTP (port 25/587/465). Incoming email uses POP3 (port 110/995) or IMAP (port 143/993). Secure variants (SMTPS, POP3S, IMAPS) encrypt traffic for data protection.

    Implement TLS encryption, enforce strong passwords or SSH keys, enable firewalls, configure spam filters (e.g., SpamAssassin), and set up SPF, DKIM & DMARC to protect against spoofing and phishing.

    Self-hosted servers give you full control over configuration and data, but require maintenance and security expertise. Managed mail hosting offloads updates, backups, and monitoring to your provider for a hassle-free experience.

    Use proper reverse DNS, maintain a clean IP reputation, implement authentication standards (SPF, DKIM, DMARC), keep your server software up to date, and avoid sending bulk unsolicited mail.