Individual skill

email-infra

Complete cold email infrastructure setup, DNS configuration, warmup, and troubleshooting. Use when the user asks about email infrastructure setup, domain purchasing for cold email, DNS configuration, MX/SPF/DKIM/DMARC setup, email warmup, mailbox provisioning, Google Workspace or Microsoft 365 for cold email, Instantly setup, going live with campaigns, deliverability monitoring, email blacklist recovery, warm-up troubleshooting, or scaling email infrastructure. Triggers on "email infra", "setup domains", "buy domains", "DNS setup", "MX records", "SPF record", "DKIM", "DMARC", "warmup", "warm up", "Instantly setup", "mailbox setup", "Google Workspace cold email", "Microsoft 365 cold email", "domain warmup", "email blacklist", "deliverability issue", "scaling email", "how many domains", "how many mailboxes". Do NOT use for email copywriting (use copywriting or first-touch) or general deliverability concepts (handled by orchestrator).

master-skills/cold-email/.claude/skills/email-infra/SKILL.md

Source commit 1a07684c9bb64a2ae696597de7ecd95dabef3adc

What was checked

Matches the observed repository HEAD

Yes

Scanner rules are current

Yes

Repository scan complete

No

Skill scan complete

Yes

Observed behavior

Instructions only

Last checked

Nov 11, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

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