essandess

S/MIME Encrypted Email Example with Gmail and Comodo

A quick how-to installation for secure S/MIME installation for a Gmail account on macOS. This certificate can be used to simultaneously encrypt and sign emails.

Obtain and install an S/MIME Certificate

0. Create a unique revocation passphrase in a password manager—long, random, unique.
1. Browse to Comodo and request a free, secure email certificate:

• Enter your name, email address, and specify the maximum 2048 bit length
• Enter your revocation passphrase in case your private key is ever stolen or compromised

ogrrd

Never touch your local /etc/hosts file in OS X again

To setup your computer to work with *.test domains, e.g. project.test, awesome.test and so on, without having to add to your hosts file each time.

Requirements

• Homebrew
• Mountain Lion -> High Sierra

Install