How to prevent spam with Email Authentication

Alternatively to "Mail Guard" you can also set up email authentication to prevent spam.

This is a slightly more aggressive way of dealing with spam and filters emails based on reputation.You have the options of DKIM (Domain Keys) or SPF (Sender Policy Framework).

  • DKIM is a means of verifying incoming email. It ensures that incoming messages are unmodified and are from the sender from whom they claim to be. This feature works to prevent incoming spam messages.
  • The SPF system allows you to specify servers and IP addresses that are authorised to send mail from your domain(s). This feature works to prevent outgoing spam messages.

Please get in touch with our support team if you require further assistance.

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