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SPF

Sender Policy Framework (SPF) is an email authentication method that helps verify the sending IP is allowed to send on behalf of the sender’s domain. Receivers verify this using the “Return-Path” header of a message, ensuring the sender domain’s public DNS lists this specific sending IP.

Related articles

  • How can I send DMARC-compliant mail?

    DMARC (Domain-based Message Authentication, Reporting, and Conformance) is an email authentication protocol that lets you specify deliverability policies and receive reports on messages that fail authentication. Go to the DMARC resource page to learn more about email authentication. It helps you protect the domain from spoofing and allows you to set up deliverability policies. GetResponse sends messages in compliance with all DMARC policies, ensuring that SPF and DKIM […]

  • What is DMARC?

    DMARC stands for “Domain-based Message Authentication, Reporting & Conformance”. It’s an email authentication, policy, and reporting protocol. It builds on the widely used SPF and DKIM protocols to improve and monitor the protection of a domain from fraudulent email, adding linkage to the author (“From:”) domain name, published policies for recipient handling of authentication failures, […]

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