https://forums.windowscentral.com/threads/unable-to-add-second-btinternet-e-mail-address-to-my-lumia-wp8-1.322332/
Unable to add second btinternet e-mail address to my lumia WP8.1? | Windows Central Forum
i have one btmail address already synced and have been using with no pboblem since i got the phone last year. bt tell me they are surprised i still can use...