Neither Appriver nor Trellix Email Security offers a free trial.
Appriver is designed for Large Enterprises and Medium Business.
Trellix Email Security is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Appriver and Trellix Email Security are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Appriver includes ZixEncrypt, Paubox Encrypted Email, Proofpoint Email Encryption, Echoworx, Zimbra Cloud, Censornet Email, Sealit, Proofpoint Digital Compliance, Trellix Email Security and MimeCast Email Security.
Some top alternatives to Trellix Email Security includes ZixEncrypt, Encyro, Virtru, Proofpoint Email Encryption, Echoworx, Tresorit, McAfee Complete Data Protection, DataMotion Secure Email and Telios.