Proofpoint Email Encryption offers Free Trial, but DeliverySlip does not.
DeliverySlip is designed for Large Enterprises, Medium Business and Small Business.
Proofpoint Email Encryption is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing details for both DeliverySlip and Proofpoint Email Encryption are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to DeliverySlip includes Paubox Encrypted Email, Proofpoint Email Encryption, SendSafely, SenditCertified, Dropvault, RMail, SignFree, Encrypted Work, Sealit and safedrop.
Some top alternatives to Proofpoint Email Encryption includes ZixEncrypt, Paubox Encrypted Email, Mailfence, CTemplar, ESET Endpoint Encryption, Proofpoint Email DLP, DataMotion Secure Email, Sealit, MDaemon Email Server and MimeCast Email Security.