Broadband Drops Until Router Reset When Checking Email

I've never seen anything like this. My Utility Warehouse customer has issues with his broadband dropping every time he checks his email on MS Outlook on his laptop. Seems to be one of two accounts that he has set up, or both. The other devices in his home net check email fine using Outlook and all other tools but whenever his laptop checks the broadband goes down and stays down until the router is reset.

Tried new router. Same issue. Spent a long time on this. Please help

R

You can set outlook to use a specific connection when checking for mail. I wonder if this could, by some strange method, be forcing a log off.

Thanks for the reply. I know that my customer can connect to his email in a different way.

Waiting for customer to reply to see what they want to do next - and waiting to see what UW have to see about it.

Thanks for your help. This sounds like its likely what's going wrong. Tested his laptop here on my BT home net without any issues.

best wishes

R