The Milo blog

Playbooks for founders who need clients, not another sales stack.

Buying signals, local prospecting, personalized cold email, deliverability, and compliance. Written by operators. No fluff, no clickbait.

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Featured · Deliverability

Cold email deliverability from Gmail Workspace in 2026

DKIM signing, SPF alignment, MX verification, Postmaster Tools, and the 200 per day soft cap for new Workspace senders. The full 2026 setup.