Recently I've experienced problems with my (work) email account (not ZOHO). Every 3 to 5 min my new (unread) emails would be displayed as being red, even though I did not read them yet. I've been on the phone with Apple 7 times, however they never had the same complaint and did not know any solution. Then I realized my ZOHO account is linked to my (work) mail account. Now I turned of the sync with my (work) email account and now the problem is gone. However, I still want to be able to send invoices from my (work) email account. 

Do you have any solutions to this problem? 

Regards, 

Boy Harmsen

EasyShoots