by Ralf Weber on WordPress.org

Plugin settings - General configuration options
No more SPAM by spiders scanning your site for email addresses. With CryptX you can hide all your email addresses, with and without a mailto-link, by converting them using javascript or UNICODE.
CryptX protects your email addresses from spambots while keeping them readable and functional for your visitors. The plugin automatically detects email addresses in your content and encrypts them using various methods including JavaScript encryption, Unicode conversion, and image replacement.
Key Features:
[cryptx]email@example.com[/cryptx] for manual encryption