-NOXMAILER command removes X-Mailer field from email header. Normally, X-Mailer field allows to identify email software. Although, X-Mailer field can be forged easily, and provides no essential proof of mailer actually used. It is still advisable not to remove X-Mailer tag from email header when it is not absolutely required by particular mailing configuration.
Note that -NOXMAILER command works only in registered version.
C:\>febootimail -SERVER smtp.server.com -FROM firstname.lastname@example.org -TO email@example.com -NOXMAILER -TEXT Sending email without X-Mailer field in email header
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