Email Bomb, Spam, THOUSANDS of emails

Starting at around 11 a.m. on Monday, 6/3, I started receiving hundreds of emails to one of my three Cox email accounts. All of them were "thank you for subscribing to our newsletter, etc." All legit email addresses and all from different lists. Nothing in common.

I called tech support around noon and was told that there was nothing Cox could do and that it would hopefully eventually stop.

By this evening, I had THOUSANDS of emails. All were newsletter subscriptions, foreign and domestic. I do not subscribe to newsletters, nor do I open any unknown links or go to weird sites. I wasn't even on the computer when it started and had gone nowhere new nor purchased anything, etc.

After two exasperating phone calls, I decided to set up "rules" for my email flagging anything that mentioned "newsletter, please confirm, thank you for your request, etc." I also flagged anything from foreign countries from Italy to the Netherlands and more.

I can't get this to stop. As of tonight, I have an ADDITIONAL 3,000 emails.

I have no problem with eventually deleting this one email account, but it is going to take me a few days to go through which outside accounts (Paypal, Ebay, etc.) use this particular email address. In the meantime the emails are pouring in.

I'm an individual user, nothing special, no reason why I would be bombed as if i were a large company. The flags are sending all to SPAM but I can't even keep up with the deleting them all. I've deactivated the email account for now.

Any ideas? Since I have been typing this post, an additional 300 emails have come through. 😞 Help.
Annie