6 Best DeliverySlip Free Alternatives in 2026

What is RMail?

Introducing RMail, the ultimate solution for your important messages. Say goodbye to standard email and hello to advanced features. With RMail, you can easily track your emails and receive a Registered Receipt email record for each message, providing proof of delivery, time, and content. Keep ...

What is Paubox Encrypted Email?

Paubox Encrypted Email is a revolutionary email encryption software that can help to digitally sign, encrypt, decrypt, sign and send email with ease. With Paubox Encrypted Email private information is safe from prying eyes. The advanced security features of Paubox Encrypted Email help for ...

What is Proofpoint Email Encryption?

Proofpoint Email Encryption is a data loss prevention solution to encrypt email, blocking confidential information from falling into the wrong hands. This software will fit seamlessly into an existing email environment and has been tested with leading Microsoft Exchange, IBM Domino, Novell ...

What is SendSafely?

SendSafely is email encryption software that enables to open, modify and send secure emails. It creates an encrypted thread of communication with recipient. SendSafely is easy to use, fast encryption software available to keep private emails private. Encrypting emails with SendSafely for ...

What is SenditCertified?

SenditCertified is a PDF file encryption software that allows to encrypt sensitive documents before emailing them to any destination. The recipient receives the document as an attachment with no special software requirements. With this powerful encryption functionality, user can be sure that ...

What is Dropvault?

Dropvault is an innovative, cost-effective software for small businesses to communicate with customers and employees. Built from the ground up, it leverages the popular instant messaging technology that regular business users know and love on their own personal computers. Dropvault provides an ...