Undelivered Mail Returned to Sender
5 Jan
2024
5 Jan
'24
9:33 a.m.
This is the mail system at host smtp2.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
126388478@qq.com: host mx3.qq.com[203.205.219.57] said: 550 Mailbox unavailable or access denied [MOFk1L8AhCBicrb46VPj1ggPW4tuMby16MqO9xiMG/1L+y9NIMDfx1czBxZXD8B3oQ== IP: 140.211.166.133]. https://service.mail.qq.com/detail/0/166. (in reply to end of DATA command)
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MAILER-DAEMON@osuosl.org