STEP 1
Backup your all your current emails:
Mozilla Thunderbird: Backup Emails
Outlook 2007: Backup Emails
Outlook 2010: Backup Emails
Outlook Express: Backup Emails
STEP 2
Disable your current POP3 account. Go into your account settings and disable your current POP3 account.
STEP 3
Add your IMAP account with the following settings:
Incoming/Outgoing server:fir.securehost.ie or pine.securehost.ie (Which one?)
Username: yourname@yourdomain.com
Password: yourpassword
Incoming/Outgoing server:fir.securehost.ie or pine.securehost.ie (Which one?)
Username: yourname@yourdomain.com
Password: yourpassword
STEP 4
Currently your old POP3 emails will reside on your current device. To access them from all devices copy the emails from your local email folders into your IMAP account. You can do this by simply dragging and dropping emails from one set of folders to the other. This will upload the emails into the IMAP account.
STEP 5
Disable your current POP3 account