No, you do not have to grant Riffle access to your email via your service provider—and you don't have to use OAuth to sign up with Riffle. We offer the option for you to register with your email & a password:
💡 Tip: If you already use a dedicated inbox for ITBs (like [email protected] or [email protected]), visit Settings → Company Profile to connect to it via your email provider. Riffle works best when connecting directly to email so it can extract & share all of your ITBs with your team.