Subject: Undeliverable: Isabelle los
From: <[email-masked]>
To: <[email-masked]>
Date: Thu, 27 Oct 2022 02:39:52 +0000

Delivery has failed to these recipients or groups:

[email-masked]<mailto:[email-masked]>
Your message couldn't be delivered to the recipient because you don't have permission to send to it.

Ask the recipient's email admin to add you to the accept list for the recipient.

For more information, see DSN 5.7.129 Errors in Exchange Online and Office 365<https://go.microsoft.com/fwlink/?LinkId=389365>.

Diagnostic information for administrators:

Generating server: PH8PR19MB7072.namprd19.prod.outlook.com

[email-masked]
Remote Server returned '550 5.7.129 RESOLVER.RST.RestrictedToRecipientsPermission; not authorized to send to recipient because the sender isn't on the recipient's list of senders to accept mail from'

Original message headers:

From: Isabelle <[email-masked]>
Subject: Isabelle los
Date: Thu, 27 Oct 2022 04:35:10 +0200
To: Undisclosed recipients:;

Subject: Isabelle los
From: Isabelle <[email-masked]>
To: Undisclosed recipients:;
Date: Thu, 27 Oct 2022 04:35:10 +0200

Hello. I am in your city. I know you a little. You and I have one mutual friend. If you want to get to know me better, go to my profile. See you soon.