iPhone and iPad email set up
You can setup your iPhone or iPad to receive mail from one of your mailboxes as follows:
Go to Settings > Mail, Contacts, Calendars > Add Account > Other > Add Mail Account
On the next screen enter the following settings:
Name: Your name as you would like recipients to see it
Address: The email address for the mailbox you want to setup
Password: The password for the mailbox
Description: Your own description for the mailbox
Press Save
On the next screen, leave IMAP selected at the top and enter the following settings:
Incoming Mail Server
Host Name: mail.yourdomainname (Or the mail server host name/IP address)
User Name: The email address for the mailbox you want to setup
Password: The password for the mailbox (should already be filled in)
If needed the IMAP will be port 143, and you should accept the connection even though it's unsecured - unless you know you have a SSL certificate installed on your domain (https://) where the IMAP port would become 993.
Outgoing Mail Server
SMTP: mail.yourdomainname (Or the mail server host name/IP address)
User Name: The email address for the mailbox you want to setup
Password: The password for the mailbox
If needed the SMTP will be port 587- (unless you know you have a SSL certificate installed on your domain (https://) where the SMTP port would become 465