This tutorial explains how to disable the bearer mobility for an email account.
Create an instance of the CEmailAccounts class.
Create an instance of the CImIAPPreferences class to be used by the email service.
Create an instance of the CIm<protocol>Settings class.
Where, <protocol> is either Imap4, Pop3, or Smtp.
Populate the CImIAPPreferences class and the CIm<protocol>Settings class from central repository (CenRep) using CEmailAccounts ::Load<protocol>IapSettingsL function.
Use the CIm<protocol>Settings:: SetBearerMobility function to set the TBool parameter to EFalse.
Store the updated settings classes to CenRep using the CEmailAccounts ::Save<protocol>IapSettingsL function.