Cold email deliverability in 2026: the complete setup
The end-to-end deliverability setup for cold outreach in 2026: authentication, warmup, sender-requirement compliance, and a safe volume ramp.
Read articleCold email, done right
Deliverability, authentication, and warmup — the same playbook our provisioning runs on, written up so you can apply it yourself.
How email warmup actually works (and why 30 days)
What email warmup really does, the reputation signals it builds, and why a new cold-email inbox needs about 30 days before it can send at volume.
Read articleSPF, DKIM, and DMARC explained for cold outreach
A plain-English guide to SPF, DKIM, and DMARC for cold email, with example DNS records and the p=none to p=reject policy journey.
Read articleHow many inboxes per domain, and why it matters
How many inboxes you should run per sending domain for cold email, the deliverability reasons to keep it small, and how to scale volume safely across domains.
Read article