Symptoms
When trying to send an email from a Smartform, the following error occurs.
The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication required.
Emails from Workflows are able to send.
Diagnoses
N/A
Resolution
From the Workspace > Environment Library, we set the Mail Server field as default and removed the port number from the value such that:
from: [MAIL SERVER]:[PORT]
to: [MAIL SERVER]