Innondation messages de rejet
This is the mail system at host relay4-d.mail.gandi.net.
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
<firstname.lastname@example.org>: mail for ruw.com loops back to myself
Reporting-MTA: dns; relay4-d.mail.gandi.net
X-Postfix-Sender: rfc822; email@example.com
Arrival-Date: Mon, 19 Jun 2017 06:17:19 +0200 (CEST)
Final-Recipient: rfc822; firstname.lastname@example.org
Diagnostic-Code: X-Postfix; mail for ruw.com loops back to myself