This is the mail system at host smtp1.osuosl.org.

I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can delete your own text from the attached returned message.

The mail system

sahad.89sh56@gmaig.com: host gmaig-com.mail.protection.outlook.com[52.101.68.25] said: 451 4.4.4 Mail received as unauthenticated, incoming to a recipient domain configured in a hosted tenant which has no mail-enabled subscriptions. ATTR5 [DB3PEPF0000885B.eurprd02.prod.outlook.com 2024-05-27T16:33:49.611Z 08DC7D6A8CD6491D] (in reply to RCPT TO command)