The bonus of using the signature installer app is that it features auto-update functionality and will automatically update your signature in your email client whenever changes are made to it via Email Signature Rescue, preventing the need to re-install. The installation is simple and means you won't have to manually install the signature yourself. If you have a unique signature key then you will want to install your email signature via our installer app. Signature Installer App for macOS (Recommended) Which installation option should I choose? Make sure you have your html email signature file or email signature key accessible.
