Your email account can stop working due to many reasons on your mobile device and one common reason is when you change your hosting server.
The best thing to do is to remove email and re-add your email again so as to download the new server certificate on your phone.
Please note
This example is best suitable for IMAP settings for POP3 a different approach entirely.
Comment if you need any help.
Thank you for watching
#imapsettings #email #setup