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Standards Compliance

Technical Datasheet v1.0

SPF

RFC 7208

Sender Policy Framework

A DNS-based mechanism that allows a domain to authorize specific mail servers to send email on its behalf.

Safe Configuration Example

v=spf1 include:_spf.google.com ~all

DKIM

RFC 6376

DomainKeys Identified Mail

Provides an encryption key and digital signature that verifies that an email message was not forged or altered.

Safe Configuration Example

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQ...

DMARC

RFC 7489

Domain-based Message Authentication, Reporting, and Conformance

Unifies SPF and DKIM mechanisms and provides instructions to the receiving mail server on how to handle failures.

Safe Configuration Example

v=DMARC1; p=reject; rua=mailto:dmarc@yourdomain.com