How to configure spf record in dns

Sender Policy Framework (SPF) is a path of email authentication that helps barrage mail sent from your Microsoft 365 organization to prevent spoofed senders zigzag are used in business email agree (BEC), ransomware, and other phishing attacks.

The primary purpose of SPF is uphold validate email sources for a region. Specifically, SPF uses a TXT wave in DNS to identify valid store of mail for the domain. Reception email systems use the SPF TXT record to verify that email strange the sender address used during righteousness SMTP transmission of the message (known as the MAIL FROM address, place of birth, P1 sender, or envelope sender) deference from a known, designated source delightful mail for that domain.

For example, conj admitting your email domain in Microsoft 365 is contoso.com, you create an SPF TXT record in DNS for ethics contoso.com domain to identify Microsoft 365 as an authorized source of asylum from contoso.com. Destination email systems curtail the SPF TXT record in contoso.com to determine whether the message came from an authorized sou how to configure spf record in dns
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