Two New Free Tools: SPF & DMARC Generator and Password Breach Checker
Generate correct SPF and DMARC DNS records in seconds, and check whether any password has appeared in a data breach — without ever sending the password to a server.
Erich Kolb
Category
Security
3 articles
Free IT Diagnostic Tools: DNS, SSL, Email Security, and HTTP Headers
Free DNS checker, SSL certificate inspector, email security validator (SPF, DMARC, DKIM), and HTTP headers analyzer. No account, no install, instant results from your browser.
Erich Kolb
What the New Email Authentication Requirements Mean for Your Domain
Google and Yahoo now require DMARC, SPF, and DKIM for all senders. If your domain is not configured correctly, your email lands in spam or gets rejected outright.
Erich Kolb