1. Outgoing Fix
On the Mail, Contacts, Calendars menu tap Customer’s account
From the Home Screen, tap Settings
Scroll down the Settings screen and tap Mail, Contacts, Calendars
Tap the SMTP box.

2. Outgoing Fix
The customer will now need to enter the Vodafone 360 smtp settings as shown above. Obviously the customer will need to use their own 360.com username and password.
The iPhone will now display the current Outgoing Sever details which aren’t working this is what we need to change.
The first time the Customer attempts to send an the iPhone has to validate the server. This may take up to 5 mins to send, this is normal and will only happen once. The customer will be presented with the above warning during sending they simply need to tap Continue
Tap the Primary Server