====== Test Email Setup ======
===== Malware detection =====
 * Send detectable viruses to email accounts : https://www.heise.de/security/dienste/emailcheck/virendummies/send-eicar/ 

===== Test EMAIL spamminess =====
 * http://www.mail-tester.com/
 * check-auth2@verifier.port25.com (not testing DMARC!)
 * AAAA4AcHAREA@appmaildev.com (not testing DMARC!)