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Business email

Email sent from your own domain needs a few DNS records so receiving servers can trust it. This topic explains what they are and how to set them up.

Guides in this topic

  • IMAP, POP3 and SMTP

    What IMAP, POP3 and SMTP do, which ports and security settings they use, and why IMAP is the best choice when you read email on several devices.

  • Set up email on your devices

    Add a mailbox at your own domain to Outlook, Apple Mail, Thunderbird or a phone, test sending and receiving, and fix common setup errors.

  • Email forwarding

    How email forwarding works, how it differs from a mailbox or an alias, why forwarded mail can fail SPF or DMARC, and how to reply from your domain.

  • Google Workspace or Microsoft 365

    Connect your domain to an outside email provider: verify ownership, change MX records, set up SPF, DKIM and DMARC, and move existing mail safely.

  • SPF, DKIM and DMARC

    How SPF, DKIM and DMARC records protect email sent from your domain, what each record looks like, and a safe order to set them up.