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TypeScript
Python
Ruby
PHP
Go
Java
C#

Domains & addresses

Catch-all addresses
Multiple domains
DMARC policy
Temporary addresses
Send as any alias
Merged inboxes
Forward an address elsewhere
Workspace branding
Custom webmail domain
A free personal address
Move a domain between workspaces
Connected mailboxes

Mail on iPhone and iPad
Mail on a Mac
Outlook
Thunderbird
The Gmail app
Gmail on the web
Android mail apps
Calendars over CalDAV
Folders, sync and sending
Troubleshooting mail apps

Reading & organising

Search by words or meaning
Read in your language
Labels
AI labels
Inbox tabs
Thread notes
Analytics & graphs
Contacts
Keyboard-first
Sign-up forms for audiences
Snooze
Mute
Audiences
New-mail alerts
Verification codes

Writing & sending

Templates
Send to an audience
Files
Per-address email settings
Signature
Writing tools
Spelling and grammar
Send in theirs
Meetings & calendar
Drafts
Scheduled send
Remind me if nobody replies
Undo send
See when mail you sent was opened
Tracking on your own domain
Files on your own domain
Attachments
Checks before you send
Delivery status
Broadcast reports
Sending analytics
Sending lanes
Dedicated IP
Automations
Booking pages

Ask your inbox
Tasks
Subject lines
Draft from a note
Your writing style
Suggested replies
Thread summaries
Rewrite with AI
Connectors

Safety & authenticity

Verified sender
Sender pictures
Phishing & spam filtering
Sender research & look-alike domains
Written by AI
Checks on every message
Which service sent it

Filters & blocking

Block a sender or a domain
Bad-language filter
Rules you write yourself
Out of office
Subscriptions

Email API
API keys
REST API
Webhooks
Typed SDKs
Command line
MCP server
OAuth for third-party clients
Move from Resend
Move from Mailchimp
Convert your sending code
Try it in the docs
Address checker
Events from your app
Switch from SendGrid
Switch from Postmark
Switch from Mailgun

Workspaces & team

Share an address
Scoped visibility
Roles & permissions levels
Invitations
Several workspaces
A password for one address

Privacy & ownership

Tracking pixels stripped
Remote image control
Choose which emails we send you
Your mail on object storage
Take your mail with you
Transport encryption
Encryption at rest
End-to-end encryption
Account security

Import from Gmail
Import from Outlook and Microsoft 365
Import from iCloud Mail
Import from Yahoo Mail
Import from Fastmail
Import from AOL Mail
Import from Zoho Mail
Import from any other mail server

Knowledge base

Thread notes

Keep a private note attached to a thread.

Details

Only you see it; it never leaves with a reply.

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