> ## Documentation Index
> Fetch the complete documentation index at: https://www.plain.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# sendNewEmail

> Sends a new outbound email to a customer, creating a new thread by default. Use threadId to attach the email to an existing thread instead. Supports CC and BCC recipients (up to 49 combined), file attachments, and an optional alternate from address. Requires the email:create and email:read permissions.