Sieve

• Sieve Scripting Cheat Sheet
• RFC 5228: Sieve: An Email Filtering Language
• Sieve Tutorial

Examples

if allof (header :contains "X-Spam-Level" "****",
          header :contains "X-Spam-Report" "FROM_ILLEGAL_CHARS")

Linting

Install:

sudo pacman -S pigeonhole

Compile (doesn't work atm):

sievec my-script.sieve