What is SPF?

Sender Policy Framework (SPF) is used to authenticate the sender of an email. With an SPF record in place, Internet Service Providers can verify that a mail server is authorized to send email for a specific domain. An SPF record is a DNS TXT record containing a list of the IP addresses that are allowed to send email on behalf of your domain.

SPF has become exceedingly vital to help verify which sending infrastructure can relay email on behalf of your domain. Implementing SPF for email provides major benefits.

Understanding SPF Syntax


  • mail, spf
  • 0 Users Found This Useful
Was this answer helpful?

Related Articles

Features of domain registration in the zone .us

Registration Requirements: The address of the company or place of residence (for individuals) of...

Features of domain registration in the zone .eu

Registration Requirements: The address of the company or place of residence (for individuals) of...

Features of domain registration in the zone .ca

.ca is the national top-level domain for Canada.   Registration Requirements: The address of...

What is DNS?

Full information about Domain Name System (DNS) you can read on Wikipedia. In simple terms, DNS...

DNS Record Types

DNS Resource Record Types — records of the correspondence of the name and service information in...