You can read your corporate email on your iPhone.
On your iPhone, the data is not retained.
How to test this program.
(1)Please send mail to "email@example.com".
(2)Launch the program.
ID = "firstname.lastname@example.org"
PW = "1234".
Press the Login button, you will see a new page.
(4)At the bottom of the screen "All".
Please press the button.
You will see a list of mail.
The top of the list, you will see your mail.