Overview Agent safety: Always confirm recipients, subject, and content with the user before sending. Email is irreversible once delivered. Never send email autonomously without explicit user approval — especially for batch sends to multiple recipients. Twilio Email is a separate product from SendGrid. Both send email, but they use different APIs, credentials, templating languages, and endpoints. If you have a SendGrid API key ( -prefix), use instead. | | Twilio Email (this skill) | SendGrid | |---|---|---| | Base URL | | | | Auth | Twilio Account SID + Auth Token (or API Key SID + Secret) | S…