This is the mail system at host smtp4.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

joao@gmail.com: host gmail-smtp-in.l.google.com[74.125.142.26] said: 552-5.2.2 The email account that you tried to reach is over quota and inactive. 552-5.2.2 Please direct the recipient to 552 5.2.2 https://support.google.com/mail/?p=OverQuotaPerm t190-20020a6381c7000000b00578a7f5a0b1si466240pgd.393 - gsmtp (in reply to RCPT TO command)