This is the mail system at host n08.mar3k.de.

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

<...@web.de>: host mx-ha01.web.de[217.72.192.149] said: 550
<...@web.de> Benutzer hat das Speichervolumen ueberschritten. /
User has exhausted allowed storage space. (in reply to RCPT TO command)

<...@web.de>: host mx-ha01.web.de[217.72.192.149] said: 550
<...@web.de> Benutzer hat zuviele Mails auf dem Server. / User has
too many messages on the server. (in reply to RCPT TO command)

This is the mail system at host n18.mar3k.de.

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

< xxx >: host mx0.gmx.net[213.165.64.100] said: 550 5.1.1
< xxx >... User is unknown {mx018} (in reply to RCPT TO
command)