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Deliverability is everything. If your emails don't reach the inbox, your campaigns don't exist. Email Armory gives you free, instant tools to check authentication records, verify email addresses, monitor blacklists, and audit your sending domain — so every campaign starts on solid ground.
Google and Yahoo now require DMARC, SPF, and DKIM for bulk senders. If your authentication records are misconfigured, your emails get rejected — silently. No bounce notification, no error message. Your open rates just drop.
List hygiene directly impacts your sender reputation. Every hard bounce, every spam trap hit, every complaint chips away at your domain's credibility with mailbox providers. Regular verification and monitoring aren't optional — they're the cost of doing email marketing professionally.
The tools email marketers use most — all free, no signup required.
Check if an email address is valid and deliverable
Check DMARC policy and configuration for a domain
Validate SPF records and email authentication setup
Check if your domain or IP is on email blacklists
Comprehensive email & DNS security report with health score
Validate DKIM records and email signing configuration
Before hitting send on any campaign, verify your authentication records are correctly configured. Check SPF, DKIM, and DMARC to ensure your emails won't land in spam folders.
Reduce bounce rates and protect your sender reputation by verifying email addresses before importing them into your ESP. Catch typos, disposable addresses, and invalid mailboxes.
When emails aren't reaching inboxes, diagnose the root cause. Check if your domain or IP is blacklisted, verify DNS records, and inspect email headers to trace routing issues.
Regularly check your sending domain's health score, blacklist status, and authentication setup. Catch configuration drift before it impacts your campaigns.
Browse all 17 free tools — DNS, email, and security — no signup required.
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