Sign up with Google
Email, handled.
Columbox triages, summaries, and drafts in your voice so your inbox takes minutes, not hours. Connect in seconds—stay in control.
01 / Infrastructure
Fast, private, and ready for teams
Built natively on Cloudflare’s edge with security baked into every layer.
PKCE Google OAuth
Secure sign-in with granular label controls. No passwords stored, ever.
Realtime Durable Objects
Live mailbox updates over WebSockets keep every teammate in sync.
Edge-cached AI
Summaries and metadata cached with ETags for snappy reloads.
Encryption by default
AES-GCM for data at rest, TLS 1.3 in transit, and signed API tokens.
Role-based access
Team plans get granular permissions and audit trails to stay compliant.
Cloudflare-native stack
Durable Objects, KV, and R2 deliver global reliability out of the box.
01 / FOCUS
Priority lanes that think ahead
Smart folders surface the people and projects that actually need your time. Watch lanes update in real time.
02 / CLARITY
Thread summaries with action items
Open a conversation to see TL;DR, owners, and blockers highlighted for you. Decisions grouped automatically.
Inbox clarity in three steps
Secure Google OAuth, instant AI setup, and a workflow that keeps you in the driver’s seat.
Connect Gmail securely
Use Google OAuth with PKCE—no passwords shared, ever. Pick the inboxes and labels you want synced.
Set your vibe & rules
Choose tones, working hours, and labels to ignore. Columbox adapts to how you write and what you prioritize.
Work the inbox in minutes
Live summaries, suggested drafts, and quick nudges keep you moving. Nothing sends without your approval.
Proven results for hotels
Manual workload on reservation emails.
Automated / month
With proactive reminders
To go live with PMS
ROI from upsells (late checkout, pickup)
Request a hospitality demo
Tell us about your property and we’ll tailor a walkthrough.