This is the mail system at host mail.zapf.in. 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 <info(a)geo-os.de&gt;: Host or domain name not found. Name service error for name=geo-os.de type=AAAA: Host not found <info(a)wasti.lmu.de&gt;: Host or domain name not found. Name service error for name=wasti.lmu.de type=AAAA: Host not found <fachschaft.romanistik(a)gmx.net&gt;: host mx01.emig.gmx.net[212.227.17.5] said: 550 Requested action not taken: mailbox unavailable (in reply to RCPT TO command) <fspharma(a)mail.uni-mainz.de&gt;: host mailgate-2.zdv.uni-mainz.de[134.93.178.249] said: 550 #5.1.0 Address rejected. (in reply to RCPT TO command) <frsgeopalmin(a)uni-mainz.de&gt;: host mailgate-1.zdv.uni-mainz.de[134.93.178.248] said: 550 #5.1.0 Address rejected. (in reply to RCPT TO command) <fachschaft(a)geoinform.fh-mainz.de&gt;: host ironport-1.zdv.net[134.93.178.241] said: 550 #5.1.0 Address rejected. (in reply to RCPT TO command) <fachschaft(a)zahni-net.de&gt;: mail for zahni-net.de loops back to myself <fsfilm(a)uni-mainz.de&gt;: host mailgate-1.zdv.uni-mainz.de[134.93.178.248] said: 550 #5.1.0 Address rejected. (in reply to RCPT TO command) <fsbio(a)uni-koblenz.de&gt;: host nsmtp.uni-koblenz.de[141.26.64.14] said: 554 5.7.1 <fsbio(a)uni-koblenz.de&gt;: Recipient address rejected: Access denied (in reply to RCPT TO command) <fachschaft(a)indo.uni-tuebingen.de&gt;: host b1541.mx.srv.dfn.de[194.95.234.90] said: 550 5.1.1 <fachschaft(a)indo.uni-tuebingen.de&gt;: Recipient address rejected: undeliverable address: host mx05.uni-tuebingen.de[134.2.5.215] said: 550 5.1.1 <fachschaft(a)indo.uni-tuebingen.de&gt;: Recipient address rejected: undeliverable address: Address lookup failure (in reply to RCPT TO command) (in reply to RCPT TO command) <s-japanologie(a)listserv.uni-tuebingen.de&gt;: host c1541.mx.srv.dfn.de[194.95.238.90] said: 550 5.1.1 <s-japanologie(a)listserv.uni-tuebingen.de&gt;: Recipient address rejected: undeliverable address: host mx06.uni-tuebingen.de[134.2.5.216] said: 550 5.1.1 <s-japanologie(a)listserv.uni-tuebingen.de&gt;: Recipient address rejected: undeliverable address: Address lookup failure (in reply to RCPT TO command) (in reply to RCPT TO command) <fachkuge(a)uos.de&gt;: host a2411.mx.srv.dfn.de[194.95.232.204] said: 550 5.1.1 <fachkuge(a)uos.de&gt;: Recipient address rejected: undeliverable address: host dfn-mail-in-2.rz.uni-osnabrueck.de[131.173.17.74] said: 550 5.1.1 <fachkuge(a)uos.de&gt;: Recipient address rejected: undeliverable address: host maildelivery.rz.uni-osnabrueck.de[131.173.17.65] said: 550 5.1.1 <fachkuge(a)uos.de&gt;: Recipient address rejected: User unknown in local recipient table (in reply to RCPT TO command) (in reply to RCPT TO command) (in reply to RCPT TO command) <fs-ksa(a)lists.uni-marburg.de&gt;: host a2111.mx.srv.dfn.de[194.95.232.165] said: 550 5.1.1 <fs-ksa(a)lists.uni-marburg.de&gt;: Recipient address rejected: undeliverable address: host vhrz1308.hrz.uni-marburg.de[137.248.1.18] said: 577 5.1.1 <fs-ksa(a)lists.uni-marburg.de&gt;: Recipient address rejected: undeliverable address: host vhrz1432.hrz.uni-marburg.de[137.248.1.90] said: 550 5.1.1 <fs-ksa(a)lists.uni-marburg.de&gt;: Recipient address rejected: User unknown in recipient table (in reply to RCPT TO command) (in reply to RCPT TO command) (in reply to RCPT TO command)