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Secure Anti-Virus for Firewalls strips the entire message, what is wrong?

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Secure Anti-Virus for Firewalls strips the entire message, what is wrong?

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Apparently, users send e-mail in Microsoft Exchange Rich Text or HTML format. When e-mail is not in plain text format, the e-mail program creates special attachments that carry extra information about the message body, formatting styles, any pictures it might have, used fonts and so on. For example, if Microsoft Exchange Rich Text format is used, Microsoft Outlook creates an attachment called Winmail.dat that includes the encoded message body and even attached files. If HTML format is used, Microsoft Outlook sends the message body as text/html part and all other message parts that are used in the message for example images and multimedia files – as plain attachments.For security reasons, F-Secure Anti-Virus for Firewalls treats anything but plain text e-mail parts as attachments, thus stripping the Winmail.dat file and the other MIME message parts, if “Strip Attachments” setting is set to strip “All Files”. To solve the problem, set “Strip Attachments” to strip “All Attachments except

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