Unread emails
New unread emails show up on my new iPad running under iOS 11 with red number against the icon and blue dot in the inboxes. My problem is that they lose their unread status after a short period of time despite not being opened.
The iPad I am replacing runs under iOS 9 and does precisely what I would expect, ie keep the unread status until the email is opened. I have contacted apple support who have got me to reload Mail; reboot the system; and change one of my accounts from POP to IMAP, to no avail. Before I go back to them does anyone out there have any ideas?
iPad (5th gen) Wi-Fi, iOS 11.2.6