Changes to the Message Body
Warning Is Attachment
When an infected or dangerous attachment is replaced with a text message containing the infection report, should the replacement be an attachment (yes) or should it be included inline in the main text of the message (no).
Attachment Warning Filename
What an infected or dangerous attachment is replaced with a text message containing the infection report, this is the filename of the attachment that appears in the message.
Attachment Encoding Charset
This is the name of the encoding character set used for the contents of "VirusWarning.txt" attachments. If your users do not use English as their preferred language, you may want to set this to "ISO-8859-1".