This is sent in the headers with all emails from outlook & mozilla thunderbird or all applications that run on your local system it does not attach when using NeoMail,Horde from cpanel. X-PopBeforeSMTPSenders: email@domain.com email2@domain.com (all emails you have on your system that download when you run your email application) This only started after the Cwd::VERSION 3.06. Using 10.2.0-STABLE 83 with Pro