A file attached to this email was removed because the file name is not allowed in the policy of the mail server.
Please refer to the following URL.
http://www.hiweb.hitachi.co.jp/itd/security/virus/vchk_env5.html
The target file is EGS4xPro4-3-1.zip
When the target file is a compressed file,
The target file is removed, if it contains a file with the extension of the following.
Bad extensions: .bat .pif .scr .com .cmd .vbs .job .hta .cpl .exe .lzh .docm .js .wsf .xlsm .pptm .jar .lnk .chm .swf .svg .jse .vbe
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Hitachi, Ltd., Information Technology Division.