Chose Proofpoint Email Protection
Works very well - probably much better in terms of feature set and customisability. The quality of message filtering is fantastic. But from an administrative perspective it is more difficult to manage than the others.
Invited by TrustRadius (TR) on Vendor's Behalf
A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info