Blog
Notes from the
honest side of email
Deliverability, honest analytics and outreach craft — written in plain language, with no growth-hack snake oil.
Earlier articles
253 articles
AIBuild note6 min
How an AI campaign builder turns a one-line brief into a sequence
How a short campaign brief becomes a staged, multi-step cold email sequence — audience criteria, variants, and a review step before anything sends.
AIAnalysis8 min
AI is reading your cold email before the recipient does. Here's what's actually shipped.
Gmail's Gemini and Outlook's Copilot thread summaries are live in 2026. What that changes about subject lines and preview text — and what's still speculation.
AIAnalysis7 min
AI SDRs vs. human judgment: what to actually automate in cold email
AI speeds up research, drafting, and list coordination in cold email. Relevance judgment, relationship nuance, and the final send still belong to a human.
AIAnalysis7 min
Do spam filters actually detect AI-written cold email?
Gmail and Outlook's filters run on authentication, complaint rate, and engagement — not a classifier that flags 'sounds like AI.' What actually gets email flagged.
StrategyAnalysis7 min
API-first vs. UI-first: what you actually give up with a click-only cold-email tool
The strategic case for API-first cold-email tools: scriptability, CI integration, custom tooling, and why the UI and the API should never be two different lists.
Deliverability6 min
DMARC monitoring for agencies: one client's XML is manageable, twenty isn't
Running cold email or deliverability for many client domains means DMARC visibility across all of them at once. Why per-client XML doesn't scale.
Strategy7 min
Every Norbelys integration, and what it actually does
Slack, HubSpot, Pipedrive, Salesforce and Calendly — what each live Norbelys integration actually does today, plus the honest note on what's still on the way.
Strategy7 min
Norbelys pricing, explained line by line
What's actually in Starter, Growth and Scale: contacts, sends, campaigns, annual vs. monthly, and what's included free that most cold-email tools charge extra for.
StrategyAnalysis7 min
Why developers pick Norbelys: the API-first case, with receipts
Not 'developers love APIs' — the specific, checkable reasons a technical buyer picks Norbelys: one contract, 83 operations, four SDKs, a CLI, and MCP.
StrategyAnalysis8 min
Why we built a CLI for cold email
Most cold-email platforms are pure dashboards with no command line at all. Here's the actual case for shipping one anyway, and exactly who it benefits.
Deliverability8 min
BIMI explained: how a verified logo shows up next to your email
BIMI shows a verified logo next to your email in Gmail and Yahoo, but only after DMARC enforcement. What the record requires and what a VMC costs.
Developer7 min
Building an internal ops dashboard on the Norbelys API with an AI agent
A grounded walkthrough of scaffolding a small send-volume and bounce-rate dashboard against the Norbelys API, with an AI coding agent doing the build.