Email, handled.
Columbox triages, summarizes, and drafts in your voice so your inbox takes minutes, not hours. Connect in seconds—stay in control of every send.
Private by design · Google OAuth 2.0 · End-to-end encryption in transit & at rest
Trusted by hospitality brands
See what matters first
Priority scoring blends relationship, intent, and deadlines so you stop babysitting filters.
Understand threads instantly
Summaries surface decisions, owners, and blockers. Jump back in without rereading 40 replies.
Priority lanes that think ahead
Smart folders surface the people and projects that actually need your time.
- Needs reply, Waiting, and Watch lanes update in real time.
- Snooze low-signal threads automatically.
Thread summaries with action items
Open a conversation to see TL;DR, owners, and blockers highlighted for you.
- Decisions, questions, and next steps grouped automatically.
- AI details show topic, sentiment, and key entities for record keeping.
Trust & speed
Fast, private, and ready for teams
Built natively on Cloudflare’s edge with security baked into every layer—so you can ship faster without risking customer data.
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.
SOC 2 prep underway; exportable audit logs.
EU edge regions supported with single toggle.
Live health page and incident postmortems.
How it works
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.
Takes ~45 seconds. You can revoke access any time.
Set your vibe & rules
Choose tones, working hours, and labels to ignore. Columbox adapts to how you write and what you prioritize.
Customize later from settings—no engineer required.
Work the inbox in minutes
Live summaries, suggested drafts, and quick nudges keep you moving. Nothing sends without your approval.
Realtime across devices. Offline-safe notes coming soon.
You stay in control. Turn features on/off per label, and audit every action from the timeline.
Proven results for hotels
Reduce manual workload, speed up replies, and lift guest satisfaction.
time spent on reservation emails
automated confirmations / month
no‑shows with proactive reminders
to go live with your PMS
guest CSAT on confirmations
ROI from upsells (late checkout, pickup)
Request a hospitality demo
Tell us about your property and we’ll tailor a walkthrough for your reservation flows.