Clearswift MAILsweeper 4.x - MIME Attachment Filter Bypass

source: https://www.securityfocus.com/bid/7044/info Clearswift MailSweeper does not properly process certain malformed MIME email message attachments. If the attachment does not contain a MIME-Version field, MailSweeper does not recognize the attachment as being an executable type. MailSweeper...