Dear Squirter99,
Sorry for my late response.
Can you please kindly let me the link for contact us in your tenant, I would to have test it with my hotmail as well.
By the way, would you please also kindly help check whether "Alert me" feathure working properly in your SharePoint site?
As we know all emails send to users from SharePoint is from SharePoint mail system by default, I would like to confirm whether the mail system in your SharePoint site working fine or not.