to all in the domain, so ###@mydomein.com
This is what i see in my mail server :
[16/Mar/2022 10:07:47] Recv: Queue-ID: 6231a8e3-00000392, Service: DSN, From: <>, To: [email protected], Size: 1927, Report: failed, Subject: Returned email: test, Msg-Id: [email protected]
[16/Mar/2022 10:07:47] Sent: Queue-ID: 6231a8da-00000390, Recipient: [email protected], Result: failed, Status: 5.3.2 521 5.3.0 Upstream error. xVdXD2K0jMe7, Remote-Host: linda.mx.cloudflare.net, Msg-Id: [email protected]
[16/Mar/2022 10:07:47] Sent: Queue-ID: 6231a8e3-00000392, Recipient: [email protected], Result: delivered, Status: 2.0.0 , Remote-Host: 127.0.0.1, Msg-Id: [email protected]
[16/Mar/2022 10:09:24] Recv: Queue-ID: 6231a944-00000393, Service: ActiveSync, From: [email protected], To: [email protected], Size: 2505, Sender: Outlook/16.0 (16.0.14332.20010; x64), Subject: 1234, Msg-Id: [email protected]