Summary
When a Workflow 8 E-mail activity creates an attachment from a Laserfiche document, the resulting attachment name will be incorrect for documents with long names that contain non-ASCII characters.
Cause
Workflow relies on .NET Framework for generating e-mail messages. There is an issue in .NET Framework 4 that can create incorrect attachment names.
Resolution
There is a Microsoft hotfix that corrects this issue. Please see the following Microsoft Knowledge Base article for more information.