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How to Set Up SPF for AuthSMTP?

SPF is an email authentication method supported globally that prevents spoofing and spamming. This is done by adding an SPF TXT record in your DNS record, so the email sent from your domain can be verified. 

Creating an SPF Record for AuthSMTP

 Here are the steps to set up SPF for AuthSMTP:

  • Login to your DNS management console 

  • Navigate to Tools & Settings > DNS Template

  • You need to edit the DNS TXT record related to SPF

  • An SPF TXT record for AuthSMTP will have the following syntax:    TXT   v=spf1 ~all 

  • Publish this record in your DNS records section for your respective domain. 

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 AuthSMTP. If you do have an existing SPF record in your DNS, you need to modify it to include AuthSMTP, as shown below:

Previous SPF record:  v=spf1 mx -all

Modified SPF record:  v=spf1 mx ~all 

  • Save changes 

  • Wait for 24-48 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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