IMAP - attached file with an invalid filename causes an integrity violation

Copying an email to IMAP, when it includes an attached file with an invalid filename (from the content model point of view) throws a 'integrity violation' error.

User:admin ERROR [node.integrity.IntegrityChecker] Found 1 integrity violations:
Invalid property value:
Node: workspace://SpacesStore/f5887623-8916-4909-b825-842a80ba8f17
Type:

{http://www.alfresco.org/model/content/1.0}

content
Property:

{http://www.alfresco.org/model/content/1.0}

name
Constraint: 06080005 Value 'Analytics_13 - www.domain.com/fr_20090622-20090628_(www.domain.com_stats).pdf' is not valid as a file name.
This property must be a valid file name.

Uploading the same file using Explorer works