Koltrix
Team inbox
Shared inbox for a two-person startup: the minimum setup
The smallest shared inbox setup that works for two founders: one domain, a few addresses, a handful of labels, one reply rule and a weekly 15-minute review.
4 min read
GuidesPicking a Domain With Email in Mind
Your domain ends up in every address you hand out. How to pick one that is easy to say, hard to spoof, and safe from the registrar mistakes that lose email.
4 min read
StartupsFounder-Led Sales Follow-Ups: A Simple Email Cadence
After the demo, the follow-up decides the deal. A four-email cadence for founders doing their own sales, with templates and a rule for when to stop.
4 min read
StartupsLaunch Day Email Checklist for a Small SaaS Team
Launch day is a bad time to discover your signup email lands in spam. A checklist for small SaaS teams covering DNS, testing, support staffing and replies.
4 min read
StartupsThe Monthly Investor Update Email: A Founder's Template
A plain, repeatable template for monthly investor updates: highlights, lowlights, metrics, asks and thanks, plus how to send it and what to do with the replies.
4 min read
GuidesWhat Business Email Really Costs a Five-Person Startup
Mailboxes are only one line on the bill. A framework for adding up what email really costs a five-person startup, including sending, support tools and time.
4 min read
Team inboxWhy forwarding team mail to personal inboxes breaks at scale
Forwarding hello@ and support@ to personal inboxes works for a while. A teardown of how it fails: lost history, wrong reply addresses, offboarding gaps.
4 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
Team inboxHow founders hand off the inbox to their first hire
A staged playbook for founders handing customer email to their first hire: shadowing, reviewed replies, owning a category, then owning the whole inbox.
5 min read
GuidesThe Minimal Email Stack for a Pre-Seed SaaS
Before product-market fit, your email setup should be small, cheap and reliable. The four pieces a pre-seed SaaS needs, and what to put off until later.
4 min read
StartupsFounder-Signed Emails: When a Personal Note Beats a Template
A short note from the founder can do what no template can, if it's honest and the founder reads the replies. When to send one, when not to, and how to write it.
4 min read
GuidesFrom a Personal Gmail to a Custom-Domain Address
When to move your business off a personal Gmail address, how to tell contacts, which accounts to update first, and the registrar mistake that locks people out.
4 min read