Simple and Affordable Email Security

May 20, 2019 / in Blog, Encryption/Security / by Zafar Khan, RPost CEO

Folklore of Opportunistic Privacy There is a wide body of people that believe they are sending information private because they are sending using Microsoft Office 365, Gmail, or using a third-party service that sends all messages using transmission layer security. And they may be right; if secure sometimes is good enough. There is the notion of “opportunistic privacy” also referred to as “opportunistic TLS”, which sounds pretty cool. It certainly s [...]

How to Decrypt an Encrypted Email - Simplify Recipient User Experience

December 14, 2010 / in Blog, Encryption/Security / by Zafar Khan, RPost CEO

When sending encrypted email using RMail services, the sender can choose one of the following options: Decryption at Recipient Description         i.          Pre-Arranged Password Sender and receiver coordinate an exchange of a pre-arranged password the sender u [...]

Implementation Options with RMail Encryption – TLS, PKI, 256-Bit AES PDF?

December 14, 2010 / in Blog, Encryption/Security / by Zafar Khan, RPost CEO

With RMail service, the sender can opt to send encrypted messages by Message-Level Encryption, Transport Layer Encryption, or a combination. As such, there are four scenarios for encrypted transmission.  In all cases, the encrypted message is delivered direct to the recipient’s desktop; RMail never requires the recipient to visit a website to collect their email. Encrypted Data Flow Path A [...]