1、所做的事要看清楚、想清楚、搞清楚原因才答复
2、（IMPORTANT）来自其他人的信息（如果只有自己知道）要share to other members of team
3、If email enquery is from student, needn't add my name in the signature
4、做份内事一定要上心
5、before add external user, must check if the user is already existed avoid duplicte