A procmail recipe is required to delete all emails marked as spam. 06/14/2017 – by Mod_GuideK 0 A procmail recipe is required to delete all emails marked as spam. Please complete the recipe. :0: * X-Spam-Status: Yes SHOW ANSWERSCorrect Answer: /dev/null Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.