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Contents:

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 to 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 are bounces?

    A bounce is an email that is returned to the sender because it cannot be delivered for some reason. Bounces fall into two categories: hard bounces and soft bounces. What are the most common reasons for bounces? When an email is returned to the sender, the email server typically provides the reason for the bounce: […]

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