Fixed email preview auth for test mails
Fixed email preview auth for test mails

no issue

e10/Ghost,e10/Ghost,ErisDS/Ghost,Kikobeats/Ghost,bitjson/Ghost,janvt/Ghost,JohnONolan/Ghost,JohnONolan/Ghost,TryGhost/Ghost,TryGhost/Ghost,kevinansfield/Ghost,bitjson/Ghost,TryGhost/Ghost,kevinansfield/Ghost,Kikobeats/Ghost,ErisDS/Ghost,JohnONolan/Ghost,Kikobeats/Ghost,kevinansfield/Ghost,janvt/Ghost,ErisDS/Ghost