Guides & Tools
Free resources to help you improve email deliverability, maintain clean lists, and maximize your email marketing ROI.
Available Resources
Email Deliverability Checklist
A comprehensive checklist covering authentication, list hygiene, content best practices, and sending habits.
Email Verification ROI Calculator
Calculate how much money you can save by cleaning your email list. See the real impact on your bottom line.
Email List Hygiene Guide
A complete guide to maintaining a healthy email list, from collection best practices to ongoing maintenance.
Complete Email Deliverability Knowledge Hub
Beyond our interactive checklists and calculators, explore our free diagnostic tools, 22-provider pricing benchmarks, and developer references to keep campaign bounce rates strictly under 2%.
8 Free Deliverability Tools
Run instant checks without logging in: test single email addresses, inspect MX DNS records, check IP/domain blacklists, generate SPF and DMARC records, or calculate ESP overpayments.
Explore Free ToolsEmail Verification Glossary
Master 32 essential email marketing and transport terms—including hard vs. soft bounces, catch-all domains, pristine and recycled spam traps, greylisting, DKIM, SPF, and DMARC.
Browse A–Z Glossary2026 Price & Accuracy Benchmarks
Compare MailVeri's pay-as-you-go rates (starting at $0.0002/email with non-expiring credits and 100% refunds on unknown results) against 22 competitors like ZeroBounce and NeverBounce.
Compare 22 Providers3-Step Deliverability Audit Framework
Use our free guides and diagnostic tools in sequence to eliminate hard bounces, protect your sending domains, and cut wasted ESP spend:
1. Audit DNS & Blacklists
Verify your SPF, DKIM, DMARC, and MX records using our free generators and check 50+ DNSBL blocklists before warming up or sending campaigns.
2. Scrub Invalid & Risky Contacts
Upload your CSV or XLSX list to MailVeri to filter out invalid mailboxes, disposable addresses, spam traps, and catch-all risks with 99%+ accuracy.
3. Automate Ongoing Hygiene
Connect our real-time REST API, webhooks, or native MCP server to block bad emails at signup and keep your bounce rate permanently below 2%.