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How to Use SPF Records to Improve Email Deliverability

Updated on : September 14, 2022

The Sender Policy Framework (SPF) record is a DNS record that validates the domain name from which email messages are delivered, thereby preventing spoofing and phishing. SPF compares the sender’s IP address to the owner of the sending domain.

Update Existing SPF Record

If your domain already has an SPF record, you can simply update it. You are only permitted to have one SPF record for a domain, so do not create another.

For example, if your current record is as follows:

v=spf1 -all

Include the record in the above TXT record like below,

v=spf1 -all

Create a New SPF Record

If your DNS hosting provider does not have an SPF record, you will need to create one in order to include our servers. SPF records are added as a TXT record type. create a new record and update the below value,

v=spf1 ~all

It may take some time for new SPF records to take effect; you may verify your domain in tools like MX Toolbox.

If you’re having trouble setting up the SPF, here are additional detailed instructions for each DNS provider,

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