Google Workspace & Gmail
OAuth 2.0 sign‑in, token refresh, and provider‑aware sending limits.
OAuth where available, IMAP/SMTP everywhere else.
OAuth 2.0 sign‑in, token refresh, and provider‑aware sending limits.
Microsoft identity platform integration with modern auth and throttling.
Bring any inbox with IMAP/SMTP credentials and flexible settings.
Encrypted secrets, scoped permissions, and safe token storage.
We pace sends by provider rules to protect reputation and avoid blocks.
Dynamic caps and cooldowns by provider, domain, and warmup status.
Send only within configured windows and skip excluded days per inbox.