12 mistakes that make even the best-written cold emails disappear into spam folders — and the exact checklist to fix every one before you hit send.
SPF, DKIM & DMARC setup — the 3-record checklist agencies charge $500 to configure
The 21-day warmup protocol that keeps your domain safe and your inbox clean
The "spam word" list that kills deliverability — 47 phrases to remove immediately
Email volume ramp-up schedule: go from 0 to 200/day without triggering spam flags
The #1 reason cold emails land in spam — most people find out too late
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Used by cold emailers who've been burned by Instantly, Smartlead & Lemlist.
That's what users report about Instantly.ai, Smartlead, and Lemlist. The tool doesn't matter if your deliverability setup is broken. This checklist fixes it.
What they do: follow a simple protocol you can do yourself in 20 minutes. This checklist is that protocol — for free.
It does — for people who set it up correctly. 9 out of 10 campaigns fail because of the 12 mistakes in this checklist. Fix them and your reply rates jump 3–5x.
Get the 12-point deliverability checklist. Fix what's broken. Then decide if the Cold Email Machine kit is right for you.
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