folder icon(s) with a red exclamation point

[soberstill]

What does this mean?

Thanks..

 

[Elmo]

What does this mean?

Thanks..

Here's a Google Groups search on the subject. A few I read suggested a
mail server, or email program was reporting undeliverable emails.

http://groups.google.com/groups/search?q=folder+icon+with+red+exclamation+point&qt_s=Search