SPF (Sender Policy Framework) | Axigen Documentation

DNS Configuration

Add entries similar with:

Check if the DNS entries have been propagated with the following commands:

dig +short txt domain1.com @8.8.8.8

Other Info

http://en.wikipedia.org/wiki/Sender_Policy_Framework

Axigen WebAdmin

For incoming messages: Go to "Additional AntiSpam Methods" and tick "Enable SPF on MailFrom".

SPF, DKIM & DMARC DomainKeys & DKIM

Axigen is a premium, scalable, all-in-one Windows & Linux mail server software. A free mail server version is available for personal and lab use, along with the business mail server and the MSP mail server, for Managed Service Providers, which also include features like personal organizer, groupware, AntiVirus, AntiSpam, or advanced security policies. The carrier-class ISP mail server solution completes the Axigen offering and comes with clustering support, delegated administration, extensive APIs, as well as a cloud-native, Kubernetes based deployment option.