Email Authentication
4 articles in this category
All
Email Deliverability 37
DNS 5
Email Authentication 4
IP & Network 2
Domain Management 2
Email Infrastructure 1
Guides 1
Announcements 1
SPF, DKIM & DMARC Explained: Complete Setup Guide for Email Authentication
Learn how SPF, DKIM, and DMARC work together to protect your domain from spoofing and improve deliverability. Step-by-step setup instructions and common mistakes to avoid.
How to Create and Configure an SPF Record: Syntax, Mechanisms & Limits
Master SPF record syntax including mechanisms, qualifiers, and the 10 DNS lookup limit. Avoid common mistakes and validate your record with free tools.
How DKIM Works: Cryptographic Email Signing Explained
Understand DKIM key pair cryptography, selector records, header signing, and key rotation. Learn why your domain needs DKIM and how to verify it.
DMARC Policy Guide: From p=none to p=reject Step by Step
Learn how to implement DMARC with a gradual rollout strategy. Understand policy levels, alignment modes, and aggregate reporting per RFC 7489.