-
-.ti -.5i
-masquerade:
-.br
-This directive controls three different types of email address masquerading.
-The three possible values, which may be specified in any combination on the
-line, are "draft_from", "mmailid", and "plussed_user".
-
-"mmailid" was the only type of masquerading in the original MH package, and
-apparently stands for "masquerade mail identification". This type of
-masquerading keys off of the GECOS field of the passwd file. When enabled,
-\fInmh\fR will check if the user's pw_gecos field in the passwd file is of the
-form:
-
-.ti +.5i
-Full Name <fakeusername>
-
-If it is, the internal \fInmh\fR routines that find the username and full name
-of that user will return "fakeusername" and "Full Name" respectively. This is
-useful if you want the messages you send to always appear to come from the name
-of an MTA alias rather than your actual account name. For instance, many
-organizations set up "First.Last" sendmail aliases for all users. If this is
-the case, the GECOS field for each user should look like:
-
-.ti +.5i
-First [Middle] Last <First.Last>
-
-"plussed_user", when specified on the "masquerade:" line, allows a second type
-of username masquerading. If the user sets the \fB$USERPLUS\fR environment
-variable, its value will be tacked onto the actual login name, following a '+'
-sign. For instance, if I am dan@company.com, and I set \fB$USERPLUS\fR to
-"www", my mail will appear to come from "dan+www@company.com". This feature is
-meant to interact with MTA features like the one in sendmail that automatically
-delivers all mail sent to \fIuser\fR+\fIstring\fR to \fIuser\fR. One can use
-different email addresses in different situations (to aid in automatic mail
-filtering or in determining where spammers got your address) while only actually
-having a single account.
-
-"draft_from" controls the most powerful type of address masquerading. Normally,
-when a user explicitly specifies a "From:" header in a draft, \fInmh\fR uses it
-rather than constructing its own. However, to discourage email forgery, the
-SMTP envelope "From:" and a "Sender:" header are set to the user's real address.
-When "draft_from" is turned on, though, the envelope "From:" will use the
-address specified in the draft, and there will be no "Sender:" header. This is
-useful when a user wants to pretend to be sending mail "directly" from a remote
-POP3 account, or when remote mail robots incorrectly use the envelope "From:" in
-preference to the body "From:" (or refuse to take action when the two don't
-match). Note that your MTA may still reveal the user's real identity (e.g.
-sendmail's "X-Authentication-Warning:" header).
-
-.ti -.5i
-maildelivery: %libdir%/maildelivery
-.br
-The name of the system-wide default \fI\&.maildelivery\fR file.
-See \fIslocal\fR\0(1) for the details.
-
-.ti -.5i
-everyone: 200
-.br