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12 posts
Prevent abuse and deliverability issues with a verified non-sending domain checklist. Audit DNS records, catch-all policies, and role accounts to ensure.
Prevent brand impersonation with defensive domain registration and DMARC enforcement. Verify your domains and email addresses for real-time protection.
Secure your subdomains from spoofing with the sp=reject DMARC tag. Reduce phishing risks and improve email deliverability.
Learn how to set up a DKIM wildcard record for non-sending domains to improve email deliverability and prevent spoofing.
Discover how domain parking services handle email records and why they impact deliverability. Use MailTester to verify addresses from parked domains.
Ensure government and public sector email security with BOD 18-01 DMARC mandates. Verify domains, test inbox placement, and clean lists with MailTester’s.
Stop employees from receiving fake emails from your own domain. Learn how to detect, diagnose, and block internal spoofing with real-world verification.
Learn how to retire a sending domain without damaging your sender reputation. Use real-time verification and inbox placement tests to verify your list.
Enforce DMARC p=reject on parked or non-sending domains to prevent spoofing and improve sender reputation.
Learn why setting v=spf1 -all on domains that never send email protects reputation. Fix SPF misconfigurations with real-time verification.
Secure your email infrastructure by auditing every domain and subdomain. Find vulnerabilities, prevent spoofing, and verify legitimate senders with.
Protect your brand from typo squatting domains and email spoofing. Use real-time verification to detect invalid, risky, and forged email addresses before.
