How to prevent spam emails (for good) in 2026
Learn how to prevent spam emails with actionable steps and strategies that block phishing emails and keep your inbox clean without hours managing filters.
Do I need to receive DMARC emails? Why they’re crucial
Why do I need to receive all these DMARC emails? Find out why your inbox is flooded with valuable DMARC reports and discover an easier way to parse through them.
GoDaddy DMARC Setup: How to create and add a TXT record or edit your default DMARC policy
Learn how to set up DMARC on GoDaddy with our step-by-step guide. Protect your domain from spoofing and improve email deliverability.
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.
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.
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.
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.
What Microsoft’s ‘550; 5.7.515’ error really means (and how to fix it)
Learn why Microsoft is rejecting your emails with 550 5.7.515 errors and (more importantly) how to fix it.