v1
latestOpenAPI 3.0.42026-07-174835104.5 KBme.user.Actions
Send mail
Send the message specified in the request body using either JSON or MIME format. When using JSON format, you can include a file attachment in the same sendMail action call. This method saves the message in the Sent Items folder.
post/me/sendMail
Request body
Response
If successful, the message is sent and stored in Sent Items, and no content is returned. Unless, the request body may be invalid or the recipients may be unresolvable.