Did Not Compute

So my dad actually alerted me to a problem with my company's email server. He called me at work (which is always entertaining) and informed me that he'd received an error message when emailing me. I asked him to read me the error message so I could see who's end of the line was having the problem. Turns out it was a problem on my end. So I decided to ask him a few more questions to be sure.

'Dad, hit 'Send & Recieve' and let me know if you got the email I just sent.'

'What?'

'Refresh your email. What email do you use?'

'What?'

'What do you use to check your email? Outlook?'

'I'm sorry. I don't understand what you're saying?'

'What software do you use to check your email?'

'I'm in the 'Inbox'.'

'Oh my god.'