All content with label comment+email+group.
Related Labels: email_notifications, email_warning, spark, group_view, review_list, online_proofing, file_attach, versioning, notifications, email_queue, file_upload, comments, digital_proofing, markup, group_proof, soft_proofing, approval_manager_2012, proofing, multiple_file ( - comment, - email, - group )