Email Security· 12 posts
How to Handle Email Forwarding with SPF?
Learn how email forwarding breaks SPF authentication and discover solutions like SRS, DKIM, and whitelisting to maintain deliverability for forwarded messages.
How to protect subdomains with DMARC?
Subdomains are common attack vectors for spoofing. Learn how to configure DMARC policies for subdomains to protect your entire email domain hierarchy.
Should I Use -all or ~all in SPF Records?
Understand the difference between SPF's -all (fail) and ~all (softfail) qualifiers, and when to use each in your email authentication configuration.
What are email headers and why are they important for
Email headers contain crucial information about message origin and routing. Learn why headers matter for security and how to analyze them to detect spoofing and phishing.
What is DMARC alignment?
DMARC alignment is the crucial link between authentication and policy enforcement. Learn how alignment works and why it's essential for email security.
What is the pct tag in DMARC?
The pct tag controls what percentage of messages are subject to DMARC policy. Learn how to use pct for safe DMARC deployment and gradual enforcement.
How do I read and interpret Received headers?
Received headers show email's journey through mail servers. Learn to read these crucial headers to trace email origin and detect spoofing.
How to handle DMARC forensic reports?
DMARC forensic reports provide detailed information about authentication failures. Learn how to interpret and respond to forensic data for improved email security.
How to prevent email spoofing?
Email spoofing enables phishing and fraud. Learn comprehensive strategies to prevent attackers from impersonating your email domain.
Should I Use -all or ~all?
A comprehensive guide to choosing between SPF hard fail (-all) and soft fail (~all) mechanisms for optimal email security and deliverability.
What are DNS TXT records used for?
DNS TXT records store text data for various purposes including email authentication, domain verification, and service configuration. Learn all the uses of TXT records.
What Happens If SPF Fails?
Understanding the consequences of SPF authentication failures and their impact on email deliverability, spam filtering, and your organization's security posture.