Notes from the inbox.
Cold email, deliverability, and building ColdPilot in public — written from what our own warmup network teaches us.
Why your cold emails land in spam (and how to fix it)
Spam placement is almost never one big mistake. It is five small ones stacking up — here is each one, and the fix for it.
Read postWarmupWarm-up, explained without the fluff
What inbox warm-up actually is, what it is not, and the only three things that matter when you do it.
Read postRotationRotation: the one habit that keeps sending healthy
One inbox sending everything is a single point of failure. Here is how spreading volume across inboxes protects every address you own.
Read postSequencesThe follow-up that gets replies
Most replies come after the first email. The follow-up that earns them is short, specific, and stops the instant someone answers.
Read postTimingThe best time to send cold email (and why it barely matters)
Tuesday morning wins every study — and still matters less than warm-up, lists, and deliverability. Here is the honest hierarchy.
Read postVerificationVerify before you send: bounces are reputation poison
Every bounce is a vote against your domain. Verification is the cheapest deliverability insurance in cold email.
Read postConnect an inbox.
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