Source: http://support.apple.com/kb/ts3899

iOS: Troubleshooting Mail

Symptoms

This article provides troubleshooting steps for Mail issues you may encounter while using your iPhone, iPad, or iPod touch.

Resolution

Try these basic troubleshooting steps first

1. Tap Safari and attempt to load a webpage (try any webpage). If you can load a webpage, then your device has Internet access. If you are unable to load a webpage, follow these troubleshooting steps.
   • Try to use an alternate Internet connection if available:
     1. Try a different Wi-Fi connection
     2. If your iOS device has an active cellular data plan, tap Settings > Wi-Fi and turn off Wi-Fi.
     3. If the affected email account is provided by your Internet provider, see if your issue is resolved while connected to your home Wi-Fi network.*
2. Log in to your email provider's website to ensure that the account is active and the password is correct.
3. Restart your iOS device.
4. Delete the affected email account from your device.
   • Tap Settings > Mail, Contacts, Calendars.
   • Choose the affected email account, then tap Delete Account.
   • Add your account again.

Specific issues

Alert: "Cannot get mail"

• This issue is often caused by an incorrect password. Be sure you have entered the correct password. If you have enabled two-step verification through your e-mail service provider, please contact them to see if you need a special password for your iOS device.

Alert: "Unable to Move Message"

1. Tap Settings > Mail, Contacts, Calendar, then choose the affected email.
2. Tap Account.
3. Tap Advanced.
4. Tap Deleted Mailbox and ensure it is set to Trash.
5. After you have made your changes, tap Advanced > Account, then tap Done.
   • Note: If your issue is still unresolved, repeat steps 1 through 3 and then tap IMAP Path Prefix, then Inbox. When complete, tap Account, then Done.

Alert: "MFMessageErrorDomain error 1032"

1. To resolve this issue, remove your email account and then add it again. To do so, tap Settings > Mail, Contacts, Calendar.
2. Choose the affected email account.
3. Tap Delete Account.
4. Add your account again.