Employer forcing me to use personal email

They've been sending me work emails to my personal email address several times now, after telling them (nicely) to use my work email address they've been sending me stuff (contracts, etc) to my personal email address.

This forces me to open my email on my work machine and I don't feel comfortable to do that, I value my privacy and I strive for separating work from personal things.

Today (again) I had to tell them to use my work email …

email employer personal privacy