Mount your encrypted email on login
Creating a symbolic link to your encrypted email
Creating your encrypted sparse bundle
Postbox stores your IMAP archives in plain text
Even if you're using IMAP to access your email, certain newer email clients like Thunderbird 3 and Postbox will download and store your emails locally in plain text. This leaves many users making a difficult choice between leaving sensitive data unencrypted, or venturing into overkill territory by using a tool like FileVault, PGP Whole Disk Encryption or TrueCrypt - which see you encrypting your entire home directory or hard drive and dealing with a performance overhead. This article will show you how to encrypt only your Postbox email on a Mac, but can easily be adapted to other email clients (or other folders like your Documents folder).
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