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How to Set Up SPF for SonicWall Email Security?


SPF is an important email authentication method at the heart of the battle against email-based spam. SPF defines a mechanism by which domains can specify which hosts are permitted to send mail on their behalf.

Creating an SPF Record for SonicWall Email Security

Here are the steps to set up SPF for SonicWall Email Security :

  • Login to your DNS management console
  • Navigate to Tools & Settings > DNS Template
  • You need to edit the DNS TXT record related to SPF
  • There are two mechanisms for SonicWall Email Security according to the region
  • For European region:    TXT   v=spf1 ~all
  • For NAOM region    TXT   v=spf1 ~all
  • Publish this record in your DNS records section for your respective domain according to your region.

Note: If you don’t have an SPF record previously for your domain, simply publish the above-mentioned record to enable SPF for outgoing emails using SonicWall Email Security. If you do have an existing SPF record in your DNS, you need to modify it to include SonicWall Email Security, as shown below:

Previous SPF record:  v=spf1 mx -all
Modified SPF record:  v=spf1 mx ~all

  • Save changes
  • Wait for 72 hours to allow your DNS to process the changes

Finally, you can look up your record using our SPF record lookup tool, and enable DMARC for your domains: take a DMARC trial.


PowerDMARC is the author of this solution article.

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