When McAfee blocks YAPI emails you will see the following messages in AccessProtectionLog.txt


Blocked by port blocking rule C:\Users\Admin\AppData\Local\Practical Dental Solutions\YService\YAPIService.exe Anti-virus Standard Protection:Prevent mass mailing worms from sending mail


To resolve the problem:


1. Open MCAfee Console and go to Access Protection window.
2. Click Anti-Virus Standard Protection and edit “prevent mass mailing worms from sending emails” rule.
3. Add YAPIService.exe to the exclusion list.