Modifier: obfuscate_email
Obfuscates an email address with special characters making it hard for spam bots to sniff out and scrape off your site. Still reads like an email address as far as readers are concerned.
holler: holler@example.com
{{ holler | obfuscate_email }}
# output appears as holler@example.com
holler@example.com
Additional Reading
Learn how to use and chain modifiers in the Antlers template guide.