Most probably because of this: https://securitytoday.com/articles/2018/04/03/under-armor-ad...
Test your email here if it was leaked: https://haveibeenpwned.com/
Also from the email it seems someone created an account. This is not a marketing email
Test your email here if it was leaked: https://haveibeenpwned.com/
Also from the email it seems someone created an account. This is not a marketing email
You're absolutely correct - someone - not me - has created an account using this unique email address.