This kind of bullshit would get your entire domain blacklisted on any email system I administer. I've already got "Fivetran", "LinearB" and a bunch of others o

This kind of bullshit would get your entire domain blacklisted on any email system I administer. I've already got "Fivetran", "LinearB" and a bunch of others on my shitlist, looks like these guys are proactively going to end up there too.