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Message-ID: <BAY7-DAV2056UnHAaaz000019cb@hotmail.com> From: helmut_hauser at hotmail.com (Helmut Hauser) Subject: DoS of Antivir Gateways with huge amount of attatchments with same name We got an E-Mail yesterday from one of our customers. It had 291 (!) base64 coded attatchments which caused our antivirus gateway to fail. Further investigation of this mail shows that there were saved html pages with all pictures saved seperatly so there were 7 times the same picture(s) in this mail with the same filename(s). We have different Antivirproducts working together and one of them (still can?t figure out which one) has been fooled by the same filename(s) and caused the gateway to fail. Very interesting. Helmut Hauser Systemadministration EDV