Unless you're Adobe Photoshop, don't give me that hogwash. Don't insult our intelligence. If you do, we'll know it, and that delete button is an instant away. They're just annoying. Again, the bigger the company, the bigger the offender.
Editors have to strip all that crap out.
In fact I won't even download it if I can help it. Until Microsoft learns how to save a file correctly, don't send dot-doc files. DOT-DOC files go in the trash can. NO Attachments Sheesh. Nothing's worse than being held hostage by your email program while a megabyte of attachments download to your computer.