Outlook Email Marketing What Are The Laws For Sending Unsolicited Marketing Email With Email Addresses I Found On Websites?

What are the laws for sending unsolicited marketing email with email addresses I found on websites? - outlook email marketing

Would Outlook, and not a retail giant in bulk, I have a rejection of links? Is it legal to send these e-mails in the first place? My offer is directed in a particular industry and not as costs of the program ...