Koltrix
Guides
Merging Email After Acquiring a Small Product
Buying a small SaaS product means inheriting its domains, senders and lifecycle emails. A practical plan for taking over its email without breaking anything.
5 min read
StartupsEmail for Health-Tech Startups: Practical Privacy Habits
Health-tech teams email patients, clinicians and partners. Practical habits that keep sensitive details out of inboxes, with a clear note on what needs counsel.
5 min read
StartupsEmail Operations for Fintech Startups: Clarity and Audit Trails
Money-related email needs precise copy, consistent senders and records you can find later. Operational habits for fintech startups, from notices to phishing.
5 min read
GuidesSetting Up Email for a New Hire in Under an Hour
A new hire's email setup takes under an hour with a checklist: address, 2FA, shared mailbox access, signature, aliases and the rules of the road.
4 min read
GuidesRunning Email for Two Products From One Small Team
Two products, one small team: separate domains and reputations, shared access, distinct senders and support routing, without doubling your email work.
4 min read
GuidesHidden Costs in a Multi-Vendor Email Stack
Mailbox host, sending API, help desk, newsletter tool. Subscriptions are the visible part. What a split email stack costs in time, DNS and lost replies.
5 min read
StartupsA Founder's Weekly Email Operations Routine
A one-hour weekly routine that keeps a startup's email healthy: bounces, lifecycle messages, support threads, open promises and DNS. Plus how to hand it off.
4 min read
GuidesEmail Setup for Agencies Managing Many Client Domains
A practical system for agencies that touch email on dozens of client domains: who owns DNS, how to get access, what to record, and how to offboard cleanly.
5 min read