i...@gtt.net On Tue, Dec 10, 2019 at 7:52 AM Bottiger <bottige...@gmail.com> wrote:
> I sent an email to noc at gtt.net from 2 different emails and both got a > reply saying: > > 5.1.0 - Unknown address error 550-'5.4.1 Recipient address rejected: > Access denied [HE1EUR01FT058.eop-EUR01.prod.protection.outlook.com]' > > Not sure if this means if they are blocking my email or if their email is > broken. >