Today, apakehei.blogspot is just to share some configuration on your smart phone. Especially for Nokia user. Some time, you will face difficulties to reach your corporate email account. For example, you can not accept certificate permanently. Not too worry. What you need to do is just remove or delete the existing certificate. This can be done with follow below step;
First Step :
First thing need to do, find the SETTING menu.
Under setting menu, select PHONE menu
Then select PHONE MANAGEMENT
After that, choose SECURITY SETTING
Then choose CERTIFICATE MANAGEMENT
and finally choose AUTHORITY CERTIFICATES
Lastly, find and remove / delete the certificate you want to change.
Second Step :
Access your email serve.
Then accept permanently the certificate when you prompt to accept it.
DONE. Now you can access your corporate email account easily.