Step 1. Go to the Mail app on Android.

If you haven’t configured any email account yet, the following window will show up.
If you have existing email accounts, click menu in the top-right corner, select “Settings”, then select “Add account”.

Step 2. Enter your CSIE email address and password. Then click next.

Step 3. Select IMAP.

Step 4. Change your account name to your login ID (the one without @csie.ntu.edu.tw). And use “SSL/TLS”.

Step 5. Change the outgoing mail security type to “SSL/TLS”. Also, account name should be the one without @csie.ntu.edu.tw.

Step 6. Click next.

Step 7. Click next.

Congratulations! You have finished the setup process.

Receive Mails Using IMAP on Android