Ok, the problem now seems to be permanently fixed after I found the error. Sadly the script ran amok 1h ago and resent duplicates of ~50 mails. Sorry for that. Kind regards, Dennis Oelkers -- Dennis Oelkers | Webadministration | Zentraleinrichtung Rechenzentrum TU-Berlin | EN-Gebaeude, K042 | Telefon: 030-314-25029 Key Fingerprint: A6 7A B6 90 09 56 E8 32 02 40 6B 27 80 17 00 89 61 E7 CA 6F