Email Authentication

Email authentication helps prevent spam. The options below attempt to equip email messages with verifiable information so that the nature of incoming and outgoing messages can be detected automatically.

Enabling these features should reduce the number of failed delivery notifications you receive when spammers forge messages from your domain(s). These features also work to prevent spammers from forging messages that claim to be from your domain(s).

Email Authentication

DomainKeys Identified Mail (DKIM)
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.

To enable DKIM, Login to cPanel -> Email Authentication -> Enable (DKIM)

Sender Policy Framework (SPF)
The SPF system allows you to specify servers and IP addresses that are authorized to send mail from your domain(s). This feature works to prevent outgoing spam messages.

To enable SPF, Login to cPanel -> Email Authentication -> Enable (SPF)


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