Sender address rejected: Access denied

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Details the steps to resolve the "Sender address rejected: Access denied" message in Workflow Manager.

Symptoms

You may see this error in your Workflow Manager(WFM) logs:
Sender address rejected: Access denied

Along with:
The server response was: 5.7.1

Cause

If this occurs it is usually related to your SMTP server rejecting your "From" address.

Resolution

Steps to resolve this error message:

1. Navigate to All the Company Preferences in Workflow Manager (WFM).
2. Change the "Email Address:" setting.
3. Use a valid email address.