Steps to reproduce:

1. Configure SMTP details under action tab
2. Navigate to screen Configuration>Actions and select create action. 
3. Add conditions in action tab and in operations tab add step details as send message and send only to the email action configured for SMTP media type.

Result:
See screenshot..

Trigger with error is recorded as "Failure when receiving data from the peer: response reading failed"
Expected:
Email should be delivered.