Today, I received a number of press releases that I haven't signed up for and I can tell that it's using your SMTP settings to send as someone else's email.

I also got a reply from someone saying they received an email from me, even though it didn't come from me, but it was via your mailbox. Can you confirm that you are not illegally spoofing my email address or others, please? And if you are, to kindly not do this anymore?

Thanks,