/ BLOG
The playbooks.
Templates, deliverability guides, and GTM tactics for cold outbound — written by people who send, not people who sell inboxes.
Email List Cleaning: How to Clean Your Email List for Free (Step by Step)
Paste a sample and see what cleaning would remove, then follow the 8 steps in order: dedupe, typos, dead domains, throwaways, team and personal inboxes, catch-alls and suppression.
🏆 ToolsBest Free Email Verifiers in 2026: Free Limits and Prices Compared
What 13 verifiers really give away free (10 to 250 checks, or 25,000 per run), what they cost after, and which ones check the mailbox. Filter them by your needs and price your own list.
📉 DeliverabilityCold Email Bounce Rate: What's Normal, What Burns Domains, and How to Fix It
Under 2% is healthy, over 5% burns domains. Work out your number with the built-in calculator, decode the bounce codes you see, split 'list' bounces from 'you' bounces, and fix a high bounce rate step by step.
✅ DeliverabilityHow to Check if an Email Address Is Valid (Without Sending an Email)
Check any email address in layers: format, domain, mail server and mailbox. Exact commands for the free MX lookup, why many servers answer 'unknown', what to do with each result, and a free bulk verifier that never uploads your list.
⚖️ TemplatesCold Email Templates for Law Firms That Actually Get Replies (2026)
Nine copy-paste cold email templates built for law firms — personal injury, family, corporate, real estate, criminal defense and more — with subject lines, a follow-up sequence, deliverability setup, and the compliance rules other guides ignore.