Xporter Multi-Action Post Functions doesn't work properly when Email isn't defined

Xporter Multi-Action Post Functions doesn't work properly when Email isn't defined.

Steps to reproduce the error:

• Delete the email configured on the "Outgoing Email"
• Add a new Post Function - Xporter Multi-Action Post Function
• Add a new Action "Attach File"
• Add a new Action "Save Locally"

Expected Result:
The last action won't be added