Free email tools
by Reloop
No sign up required · Free for lifetime
Free Email Validator & List Cleaner
Verify syntax, disposable domains, and active MX records to keep your email list clean.
Email Deliverability & Spam Tester
Send a test email to analyze inbox placement, spam score, and SPF/DKIM alignment.
Email Spoofing & Phishing Checker
Test whether unauthorized senders can forge your domain to deliver phishing emails.
IP & Domain DNS Blocklist Checker
Check your sending IP address and domain against 50+ public DNS blocklists in real time.
DNS Lookup & Record Analyzer
Inspect MX, SPF, DKIM, DMARC, and A records with syntax validation and live diagnostics.
Domain Age & Warmup Checker
Check domain registration age and warmup safety to avoid cold-sending spam filters.
Domain ESP & Email Sender Lookup
Identify all third-party email service providers authorized to send from your domain.
SPF, DKIM & DMARC Checker
Validate email authentication records to guarantee proper sender alignment and security.
Temp & Disposable Email Checker
Detect throwaway inboxes and burner addresses before they bounce or skew signup metrics.
Domain Reputation & Health Checker
Evaluate your domain health score, spam placement risk, and mail configuration flaws.
Lookalike Domain & Phishing Scanner
Detect registered typosquats and lookalike domains impersonating your brand online.
Email Spam Words & Subject Checker
Scan subject lines and body copy for spam trigger words that hurt inbox deliverability.
BIMI & Brand Avatar Checker
Verify your BIMI DNS record and SVG logo to display verified brand avatars in inboxes.
Email HTML Template Editor
Design, edit, and preview responsive HTML email templates across mobile and desktop.
Developer Tools & REST API
Integrate real-time email verification and DNS lookups via our low-latency REST API.
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Start sending email today
$0 / mo.
No credit card required. 3,000 emails for free.