-COMMENT parameter allows to add the email comment as defined in the RFC 5322. It is used for an additional comments on the email text. This feature is obsolete, and is not used widely in the modern email software.
febootimail -COMMENT Comment text goes here
C:\>febootimail -SERVER smtp.server.com -FROM firstname.lastname@example.org -TO email@example.com -TEXT Send email with comment field -COMMENT This is draft
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