SPF is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain's administrators. The list of authorized sending hosts for a domain is published in the Domain Name System (DNS) records for that domain in the form of a specially formatted TXT record. Email spam and phishing often use forged "from" addresses, so publishing and checking SPF records can be considered anti-spam techniques.

Mainly, SPF is another form of email validation, which allows senders to define which IP addresses are allowed to send mails for a particular domain.

To make sure your messages arrive in the INBOX and not into the Spam folder, you can add Mailpro SPF to your SPF DNS record. To do this, add in TXT format "v=spf1 include:spf.mailpro.com?all" to your DNS.

Configuration SPF TXT DNS Records

Also read:

Check our FAQ section about the steps configuring SPF in Mailpro.

Other tools you can use to improve deliverability: DKIM, DMARC

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