Docs
Connect a mailbox, learn the keys, fix a sync.
Plain instructions, no marketing. Gmail and Outlook connect through their own sign-in screens; the rest use an app password you generate at the provider and can revoke there. If a step below doesn't match what you see, the provider moved it: tell us and we'll fix the page.
Connect Gmail or Google Workspace
Sign in with Google on the consent screen. No app password, ever. What the scopes mean and how to revoke.
Read more →Connect Outlook or Microsoft 365
Sign in with Microsoft. The verified-publisher mark, the permissions asked for, and what to do if your admin has to approve.
Read more →Connect iCloud Mail
Two-factor on, then an app-specific password from account.apple.com. The username is your iCloud address, not your Apple Account email, which trips most people.
Read more →Connect Fastmail
The smoothest of the set. An app password from Settings → Privacy & Security → Connected apps & API tokens.
Read more →Connect Zoho Mail
Turn IMAP on, create an app password on your regional Zoho Accounts site, and pick the data centre if you use your own domain. Video and screenshots.
Read more →Connect Yahoo Mail
Create an app password under Security, External connections, and paste it once. IMAP server settings for any mail app. Video and screenshots.
Read more →Keyboard shortcuts
Every binding on one screen, printable. ? opens the same list inside the app.
Read more →Troubleshooting
Sync lag, mail that hasn't appeared, label write-back, a changed app password, disconnect and reconnect.
Read more →Still stuck
Write to a founder.
support@morningzero.com reaches the two people who built the sync. Include the provider and the exact error text the app showed.