Item: Proofpoint Email Protection
Rating: 9
Author: Mallinath Doddamani

It has been used across the whole organization to protect us against spam and unwanted suspicious emails from the internet.

It identified the spam or mails which are malware, then classified them as quarantined or discarded.
It helps the end-user to allow/block externals users. Users can add a sender to a safe list or block list.
It provides the end-user the option to release emails that are blocked.

It would be good to have a stand-alone application instead of a web-based portal for the admin console.
It should ask for confirmation from admin/user before save or delete operations like Microsoft applications.
Admin should be able to open a ticket via the same portal, like the Office 365 portal.

Email-based attacks are common nowadays. It affects the entire organization so having the Proofpoint Protection layer between org and external internet is always good.
Secure email is essential for every business. Malware most commonly reaches businesses through email. As attacks become more sophisticated the business could be vulnerable. A malware attack means more than just a security risk. If attacked, businesses run the risk of lost intellectual property, productivity, business reputation, time and money. So investing in email protection software like Proofpoint is always good for business.
It would be a bit of a burden to a small business to have third-party email protection software. but it is worth it.