On the off chance that you are utilizing Bellsouth EMail App on your iPhone, to make your Bellsouth EMail account working, dispatch Settings from iPhone home screen. Select "Mail, Contacts, and Calendars" and accordingly, tap "Fuse Account". In the wake of picking "Join record", tap "other", by at that point, select "Fuse Mail Account". In the event that getting email is turned out great, yet you're having issues sending email, follow these means to check and fix the active worker settings. On macOS, follow similar strides as above and confirm that your username, secret word, hostname, and port are right. Bellsouth Email not working on iPhone just after move up to 9.3. Still turns out great on iMac. Gmail and iCloud mail both turn out great on all gadgets. On telephone and iPad I get "off-base client name or secret word" for bellsouth. Taken a stab at erasing record and returning it to without any result. Can not sort this out. Fix Mail App Not Working Issue on iPhone and iPad. Power Reboot your iOS Device. A couple of minor bugs like freezing of touch screen could be fixed forcibly rebooting the gadget. Along these lines, attempt to give this stunt a touch of karma. Basically press and hold the Home and rest/wake fastens on the double on your iPhone or iPad until the Apple logo shows up on the screen.