Insights on AI sales, cold email automation, and building revenue engine that works while you sleep. Free tools: free cold email generator.
30 cold email opening lines across 5 categories — company event, recent hire/post, founder quote, shared experience, mutual connection — plus weak vs strong pairs and the anatomy of an opener that gets the rest of your email read.
Read more → Open in free generator →The CTA is the highest-leverage sentence in any cold email. Weak-vs-strong example pairs (meeting, link click, resource download), the 4-part closing structure, and 4 patterns that always work — plus the free generator with closing CTAs already wired in.
Read more → Open in free generator →12 copy-paste cold email follow-up templates organized across 4 scenarios (no response, soft open, meeting no-show, breakup/re-engagement), plus the B2B sales follow-up cadence table that decides when each one fires.
Read more → Open in free generator →Side-by-side comparison of the 4 most-searched cold email tools — pricing, AI personalization, free tiers, and which is actually best for outbound in 2026. Plus the free, no-signup option most posts skip.
Read more → Open in free generator →5-step playbook for using a free AI cold email generator — pick your prospect's industry, role, and pain point, get 3 personalized emails instantly, and follow up. Plus the deliverability + sequencing rules that make them actually get replies.
Read more → Open in free generator →Side-by-side comparison across response rates, cost, scalability, compliance risk, and personalization. Plus: the hybrid approach and why AI makes cold email the clear winner.
Read more → Open in free generator →80% of deals close after 5+ touchpoints. Here's exactly when to follow up, 6 copy-paste templates for every scenario (no-response, soft open, no-show, breakup), and the mistakes that kill reply rates.
Read more → Open in free generator →47 proven subject lines organized by psychological trigger — questions, stats, personalization, urgency, curiosity, social proof, and direct value. Each with an explanation of why it works.
Read more → Open in free generator →AI SDR meaning, how it works, what it can do, and how it compares to a human SDR. The definitive guide to the AI sales development representative category.
Read more → Open in free generator →We tested every major AI cold email tool. Here are the 5 that actually work in 2026 — pricing, limitations, and who each is best for.
Read more → Open in free generator →Generic templates kill reply rates. AI-personalized cold emails get 3-5x more responses. See real before/after examples and learn when to use each approach.
Read more → Open in free generator →SPF, DKIM, and DMARC explained in plain English. Learn how to set up email authentication so your cold outreach actually lands in the inbox, not spam.
Read more → Open in free generator →Human SDRs cost $80K+/year with benefits, recruiting fees, and management overhead. AI SDRs start at $49/month. We break down the real numbers to help you decide.
Read more → Open in free generator →Pick your prospect's industry, role, and pain point — get 3 personalized drafts in 30 seconds.
Open the Free Generator →We're launching on ProductHunt this week — see it first at ironmail.polsia.app/launch.
Flat $99/mo vs $49–119/seat. Feature breakdown, honest take on where each wins.
Read comparison →Flat $99/mo vs $30–197/mo for sending + leads. Which cold email tool wins in 2026?
Read comparison →We'll email you when we launch — no spam, ever.