Genuine companies don't send email spam, whereas menswearhouse[removed by editor] does. Also, the website has frequent changes of IP address and is on a shared server, both of which are red lights for a legitimate company. Their website is currently down, but older snapshots of the website on waybackmachine show that the website fails to provide a valid postal address. The holding company for Mens Warehouse is Tailored Brands, Inc. which, according to Wikipedia, filed for bankruptcy in August 2020.