This is the Spam & Virus Firewall at BARRACUDA.sit.co.th. I'm sorry to inform you that the message below could not be delivered.When delivery was attempted, the following error was returned. : host 10.124.17.4[10.124.17.4] said: 554 5.7.1 Message prohibited (PROHIBITED FILENAME - 520914102982 (P.21).xls) (in reply to end of DATA command)