Instant SPF: The smarter way to manage Sender Policy Framework (SPF)
Struggling with SPF limits and flattening? Valimail Instant SPF delivers dynamic, real-time, per-sender authentication: no 10-lookup cap, no manual DNS updates.
DMARC in retail: How to secure your customer communications
See how DMARC helps retailers stop email spoofing, prevent fraud, and build customer confidence in digital communications.
DMARC syntax: Every element of your DMARC record explained
We break down every element of your DMARC syntax, look at common examples, and provide you with the know-how to craft a DMARC record that’s error-free.
DKIM vs. SPF: Understanding the difference to improve email deliverability
SPF and DKIM are essential email authentication protocols, but they’re not interchangeable. Learn how they differ, why you need both, and how to check.
What is email filtering: Software and services to prevent spam
Learn everything you need to know about email filtering software and services to help you prevent spam and protect your customers.
Why your emails go to spam: 8 fixes that actually work
Learn why your emails are going to the spam folder and what you can do to improve your deliverability and get them where they belong: the inbox.
What is SPF flattening and why doesn’t it work?
Learn why manually flattening SPF records creates more issues and how automated, real-time SPF solves the 10‑lookup limit once and for all.
DKIM alignment: Why your signature failed (and how to fix it)
Learn why your DKIM signatures fail alignment checks and how to fix these issues with this quick-and-easy guide to email authentication.
Three years running: Valimail remains #1 in G2 report for DMARC for the 12th consecutive quarter
Valimail celebrates 3 years of 12 consecutive quarters at #1 on G2’s DMARC Grid. Discover why customers worldwide trust our zero-trust email solutions.
Managing multiple DKIM records: 7 best practices for your domain
Learn the best practices for managing multiple DKIM records for your domain to maximize email security and deliverability.
What are the DMARC policy options, and how do you reach enforcement?
What is a DMARC policy? Learn the difference between p=none, p=quarantine, and p=reject—and how to reach full DMARC enforcement.
9 ways to pass Microsoft’s email authentication requirements
Learn how to meet Microsoft’s strict email requirements with these authentication best practices to boost deliverability and trust.