Mod Name:Email Obfuscator
Type:Spam Prevention
Real humans accessing your site with a normal browser will see the email address just like normal, but harvesting bots will see only some inline JavaScript filled with random characters.
This should not be relied on as absolute, 100% protection against harvesting bots, but it will help a great deal
https://custom.simplemachines.org/mods/index.php?mod=4220
