I've never met anyone that used/wanted a user greeting. The problem with it is it is the first option you hear when going in to record your voicemail greeting and half the time the persone records their VM on their user greeting and then they thin...
Ability to block an attachment in undetected phishing email
Some of phishing emails are not detected. For security reasons, it would be necessary to be able to block the attachment, to avoid a download by an agent if the email has been identiifed afterwards as phising.