Send Email delivers a notification from the current WorkflowDog project.
For safety, it cannot send to addresses that are not project members.
When Send to all members? is on, the Recipients input disappears and
membership is resolved when the action runs.
Example
Build dynamic content with a Text action, then connect the rendered result
to Body.
Every explicitly supplied address must exactly match a current member of the
project. If any recipient is not a member, the entire action fails and sends
no email.
Duplicate recipient addresses are removed. The sender name uses the project
name and a project-specific WorkflowDog notification address.