If you have got your jAccount "myname":

1) you will have got a SJTU email asmyname@sjtu.edu.cn, and you can login inhttp://mail.sjtu.edu.cn；

2) you can use SJTU wifi with jAccount myname and password;

3) you will have got a Cloud Disk as jBox, and you can login inhttp://jbox.sjtu.edu.cn;

4) you will login in many websites with jAccount, such as

http://my.sjtu.edu.cn

http://electsys.sjtu.edu.cn/edu/

http://www.yjs.sjtu.edu.cn

http://hr.sjtu.edu.cn/

http://www.jdcw.sjtu.edu.cn/

......

When you login in ,please take notice of the logo "统一身份认证" and make sure the following interface.