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Does the API plan include unlimited sending, or is there a cost per email after a certain limit?
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About InboxAPI
InboxAPI is a service that connects a user's Outlook or Hotmail account via secure Microsoft sign-in to enable sending email through their own mailbox. It uses delegated OAuth via Microsoft Graph, and the company states it does not see or store user passwords. The service avoids the use of a shared sending domain or relay, so recipients see mail as coming from the user's real Outlook or Hotmail address. Users can initiate the sign-in process on one device and complete it on another through a shareable link. The site includes standard pages such as About, Privacy Policy, and Terms & Conditions.
- Website
- inboxapi.pro
