encryption

Posted on January 14, 2014 by Jeff Reifman

Build Your Own Email Features with Open Source Filtering Software

Filtered is an open source PHP-based IMAP mail filtering platform. While Filtered provides basic mail filtering features and learns from the folders you drag and drop your email to, it is also a powerful foundational platform to enhance and innovate email – with a number of unique features. We’re drowning in email and managing our Read More

Posted on January 13, 2014 by Jeff Reifman

How to Store Two Way Encrypted Passwords (and Credit Cards) in MySQL

As part of my open source IMAP mail filtering applet, Filtered, I wrote code to securely encrypt and store email user names and passwords in a MySQL database so that they can be decrypted as well. The technique is outlined below. Typically, passwords should be hashed in with a salt using one way encryption but Read More

Posted on January 9, 2014 by Jeff Reifman

How to Encrypt Selected Messages in Gmail

Since the revelation of NSA access to Google Gmail servers, it’s clear that Gmail is readily browsable by authorities without a warrant. ¬†Furthermore, using PGP encryption with your contacts is difficult to set up and get both parties to use – it’s also not integrated well into smartphone email clients. But, here’s a middle way Read More