DMARC 레코드 만들기

2014년 04월 10일 golgol 0

  Action: failed Status: 5.5.0 Diagnostic-Code: smtp;550-5.7.1 Unauthenticated email from yahoo.com is not accepted due to domain’s 550-5.7.1 DMARC policy. Please contact administrator of yahoo.com […]