You may notice for a few days that you haven’t receive any mail from your recipient side but they said that I have sent you an email and you haven’t replied. Now, you may check to see where the fault is, why haven’t I receive any mail? But unfortunately you got failed in finding out the reason, so in that case you will have to obtain Outlook Support
for trustworthy solution. The techies working here will let you know due to what affected cause, you are unable to send or receive mail and provide you effective remedy of those hurdle.