Setting up multiple email accounts on an iPhone is relatively easy, provided you know what information you need to enter. Using a Web email service like Hotmail or Yahoo Mail requires just your email address and password. If you're setting up an email account from your own domain, or your company's domain, you will need additional information, like whether or not your service uses Post Office Protocol (POP) or Internet Mail Access Protocol (IMAP). For these your network administrator or domain-hosting company will provide you with this and any other information you need to enter.
Setting up Web-Based Email Services
Tap the "Settings" icon on the iPhone home screen. Select "Mail, Contacts, Calendars," and then tap "Add Account."
Scan the list of Web-based email services and tap the one you use. These include "iCloud," "Microsoft Exchange," "Gmail," "Yahoo!," "AOL," "Windows Live Hotmail" and "Mobileme." If you have an MSN email account, select the "Windows Live Hotmail" option.
Tap the "Email" text field to launch the iPhone keyboard and type your email address. For some services, like Gmail, you may also need to enter your username in the "Name" field.
Tap the "Password" text field and type your password.
Tap the "Description" text field to change the default description if desired. This description will be used in the Mail app so you can identify which account is which.
Tap the "Next" button. The iPhone connects to the mail server to ensure your username and password are correct.
Select the services you want to sync with your iPhone. Mail is turned on by default. Depending on the service you use, you may also sync your calendar or notes by tapping the toggle beside each item.
Tap "Save." The iPhone returns to the Mail, Contacts, Calendars page. Tap "Add Account" again and repeat the above steps to add another Web email service, or continue to the next section.
Setting up POP or IMAP Email
Tap the "Settings" and select "Mail, Contacts, Calendars." Tap "Add Account."
Scroll to the bottom of the screen and select "Other." Tap "Add Mail Account."
Tap the "Name" text field to launch the iPhone keyboard, and then type your name.
Type your email address in the "Address" field and your password in the "Password" field. By default, the iPhone uses your domain name as the email account's description. You can change the description by tapping the "Description" field and typing a different name.
Select "IMAP" if your mail server uses the Internet Mail Access Protocol. Select "POP" if it uses the Post Office Protocol. These details and other required settings are available from your network administrator or from the company that hosts your Web domain.
Enter the host name, your username and your password in the appropriate text fields.
Tap the "Advanced" option if your provider requires you to specify advanced features like "SSL" or "S/MIME" settings, or if you need to specify a server port for accessing the mail server.
Tap the "Save" button. You are returned to the Mail, Contacts, Calendars settings screen. Repeat the steps above to configure another email account.
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