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

grulichrolf@gmail.com: host gmail-smtp-in.l.google.com[142.250.99.27] said: 552-5.2.2 The recipient's inbox is out of storage space and inactive. Please 552-5.2.2 direct the recipient to 552 5.2.2 https://support.google.com/mail/?p=OverQuotaPerm 98e67ed59e1d1-2e92fc28edasi5731728a91.138 - gsmtp (in reply to RCPT TO command)