MyTrueHost 
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Please follow this guide to install your IMAP e-mail account:
2. Click on ‘Mail, Contacts, Calendars’.
3. Click on Account.
4. Click on Other
Fill the details:
Name : Your name
Address : Your email address
Password : Your account password
Description : Whatever you like here, but typically your email address or name
then, save.
5. On the ‘New Account’ screen, select IMAP (IMAP is far better than POP) and complete the details as follows:-
=> Incoming Mail Server
Host Name : Your server’s IP address or host name [ mail.kubvarunos.com]
User Name : Your email address
Password : Your account password
=> Outgoing Mail Server
Host Name : Your server’s IP address or host name again [mail.kubvarunos.com]
User Name : Your email address again
Password : Your account password again
then, save.
Once done, you should be back to the following screen showing your new email account.
6. Select the new account, then scroll down and click the ‘SMTP’ button because we want to check that it’s selected the correct SMTP port to use.
7. Click on the ‘Primary Server’ button to view the server details.
8. In almost all cases, your ‘Server Port’ should be set to 25. Please verify it.
