Free Email Tools
Useful tools to help you verify emails, check domains, and improve deliverability. No signup required.
Available Free Email Tools
Email Syntax Checker
Check if an email address has valid syntax and format. Instant validation using RFC 5322 standards.
- Syntax validation
- Format check
- Typo detection
MX Record Lookup
Look up MX (mail exchange) records for any domain. See which mail servers handle email for a domain.
- MX records
- Priority levels
- DNS lookup
Domain Reputation Check
Check the age and basic reputation of any domain. Useful for assessing email sender trustworthiness.
- Domain age
- Registrar info
- Trust assessment
DMARC Generator
Generate compliant DMARC TXT records in seconds to comply with Google & Yahoo 2024 sender policies.
- Google/Yahoo compliance
- Policy generator
- Reporting tags (rua)
SPF Record Generator
Create ready-to-publish SPF records for Google Workspace, Microsoft 365, SendGrid, Klaviyo, and more.
- Multi-provider support
- Softfail/Hardfail
- DNS setup guide
Bounce Rate Calculator
Calculate hard and soft bounce rates. Check if your domain is in the safe zone or in danger of ESP bans.
- Bounce % metrics
- Risk tier rating
- Deliverability impact
ESP Overpayment Calculator
Find out how much money you waste each month on Mailchimp, Klaviyo, or HubSpot for inactive contacts.
- Klaviyo & Mailchimp pricing
- Decay rate math
- ROI calculation
Email Blacklist Checker
Check if your domain or sending IP address is listed on Spamhaus, Barracuda, SpamCop, or other DNSBLs.
- DNSBL live check
- Multi-list scan
- Instant pass/fail
Need to verify more than one email?
Our free web tools are great for single quick checks. For cold outreach, email marketing, or database cleaning, use MailVeri Bulk.
| Feature | Free Single Tools | MailVeri Bulk Engine |
|---|---|---|
Syntax & Domain MX Check Detects typos & non-existent domains | ||
Deep SMTP Handshake Pings recipient mail server directly without sending email | ||
Catch-All & Disposable Detection Catches temporary mailboxes & risky accept-all domains | ||
Spam Trap & Honeypot Filtering Protects domain reputation from blacklists | ||
Processing Speed High-speed distributed verification queue | 1 email / lookup | 100,000 emails / ~30 mins |
Batch File Upload Auto-detects email columns with zero setup | Up to 1,000,000 rows (CSV, XLSX, TXT) | |
Trial & Expiration No credit card required | Manual lookups only | 1,000 Free Credits • Never expire |
Need bulk verification?
These free tools are great for quick checks. For bulk email list verification with full SMTP validation, try MailVeri.