The latest is Paypal who WON'T DO ANYTHING ABOUT IT! (sorry, needed to have a dig at Paypal's awful support there).
This person has tried to sign up for at least 6 things over the last year only to find that the registration confirmation emails never reach her.
It's nuts!
Some lawyer with an amazingly active life, and is learning to be a pilot, and other things I've forgotten has the same not too common name as me, and has firstname.lastnamee@gmail.com as his email address.
While at first cute, the number of times I've had to deal with other law firms who have sent me some incredibly sensitive document and then demanded I sign a document somehow proving I never read, nor will keep, the document they sent me by mistake is getting old.
Or my favorite, when a plane leasing company sent me some very large bill, and when I tried to explain the confusion, they claimed it was my responsibility to find the right person, or pay the bill.
People amaze me.
(And it's super petty of me, but this lawyer's family sends invites to family events to me now. The first few times I responded trying to fix the situation. Then I tried going radio silent to these, but they got more and more incessant on a response, so now I just respond that I'm not interested in attending.)
Edit: having sensitive information sent to a personal gmail account is also a problem in itself and is probably directly and unambiguously prohibited by the firm. You should really let them know
Tell them: no problem, but first you have to pay the fee and send them an invoice for some large but not completely crazy amount. :)
Just show up to the party?
But then get someone with your name that gets a support tech at your email host that's willing to reset the password for them, even worse bypassing any security they have, and then you're going to have a bad, bad day.
And with so many services potentially tied to your email address, this can amount to identity theft. Maybe the caller and the admin circumventing security for them should be getting some legal trouble for this.
What was most impressive was when I called Amazon to complain that someone opened an AWS account using my email addy fraudulently. They did several things to try to prove that I was the one lying (sent a confirmation email that I never clicked, sent a verification email which I was able to read back over the phone), and even confirmed from logs that the offending party bypassed the e-mail signup verification process by using a phone number rather than email address.
They made some vague promise that they would open an investigation and close it if they deemed it fraudulent. They never did. My guess is that they are siding with random-fraudster-with-Indian-IP because he's the one that will (potentially) pay them money.
All the company has is an email address and a bunch of other incorrect information.
Second time it happened, I somehow managed to get someone at Netflix to look into it. I haven't had the problem since.