Where every email finds its channel

Many streams.
One channel.

Gmail, Outlook, Yahoo, iCloud, Zoho, Fastmail, IMAP - every mailbox converges into a single, intelligent channel. AI keeps the important emails on the surface. Search runs downstream across every account in milliseconds.

Get started free See how it works
Works with
G Gmail
M Microsoft
Y Yahoo
iCloud
IMAP
50+ providers
The InflowMail inbox with five mailboxes in one list. An email from Maya Chen titled Q3 contract - signature needed is open, with an AI summary above it: Harbor needs the Q3 contract signed today.
The real app on demo mail: five mailboxes in one inbox, and an AI summary on the open email.
50+
Email Providers Supported
256-bit
AES Encryption at Rest
0
Inbox Anxiety After Setup
5
Mailboxes free, forever
See it

The app, not a mockup

Screens from the shipping web app, filled with demo mail.

Team Access screen: invite a helper by email, pick Read or Write, and tick which mailboxes they can use. Two helpers are listed: Sam Ortiz, pending, read; Riley Park, active, write on two mailboxes.
Helpers, not passwords Pick read or write and which mailboxes. They sign in as themselves.
Searching for harbor returns 14 emails from several mailboxes in one list, with an electricity bill open and its AI summary.
One search, every mailbox Results from all your accounts in one list.
Email Rules screen listing five rules with their conditions, actions, match counts and on/off switches, such as Harbor contracts are top priority.
Rules you can read Rules run after the AI, so your call always wins.

Every mailbox, one inbox

57 seconds, narrated: connect Gmail, Microsoft 365, Zoho, iCloud, Fastmail or IMAP once; Focus puts what matters on top, an AI summary says what each email needs, one search covers every mailbox, and your rules win over the AI.

How it flows

Built to keep what matters on the surface

Six currents that turn email volume into focus.

🗃
One Channel, Every Stream

All your accounts - Gmail, Outlook, Yahoo, iCloud, Zoho, Fastmail, or any IMAP host - merge into one clean channel. Connect once. See everything, anywhere.
🤖
AI Sorts the Current

Decades of email become a sortable current. AI separates work from newsletters, real messages from promotional noise. Zero manual triage.
☀️
Daily AI Briefings

Each morning, a concise summary of what’s moving downstream across every account. Read the brief - skip the noise.
🔎
Search Downstream, Instantly

A receipt from three years ago across every connected mailbox - in milliseconds. Full-text search runs the length of every stream.
👥
A helper, not your password

Paralegal, EA, bookkeeper - they sign in as themselves. You choose read or write, and which mailboxes. Recipients still see your address. We log who sent.
💾
Your Channel, Preserved

Every account continuously synced and backed up. If a provider goes down, your channel keeps flowing.

Ready to bring your inbox into flow?

Your channel. Finally in flow.

Free for 5 inboxes. No credit card. Takes under 2 minutes to connect your first mailbox.

Get started free Talk to the team

5 mailboxes · 30 days of mail · No credit card

The Windows app is in the Microsoft Store. The iPhone and iPad app is ready for the App Store. The Mac app is next. Windows app guide See the apps

Get it from Microsoft