Why have all my emails disappeared, have started again , but all old mails gone?

[iMore Question]

all my emails disappeared, have started again , but all old mails gone.

It still shows that I have 52 mails flagged, but the box is empty.

thanks

 

[kch50428]

Re: all my emails disappeared, have started again , but all old mails gone.

iPhone - Mail, Contacts, Calendars - Apple Support