thought
Hi
are you using UE3 or UE4?
if 4 then find this line
$WA_MailObject = WAUE_Definition("".($WAGLOBAL_Email_Server) ."","25","","","","");
and try changing it to
$WA_MailObject = WAUE_Definition("".($WAGLOBAL_Email_Server) ."","25","","","1","");
not my fix but Rays
HTH
Ian