will not normally be called directly by the user.
.PP
.B Spost
-searches the `To:', `Cc:', `Bcc:', `Dcc',
+searches the `To:', `Cc:', `Bcc:', `Dcc:',
`Fcc:', and `Resent\-xxx:' header lines of the specified
message for destination addresses,
.PP
.B send
to send the Bcc message.)
.PP
-If a `Dcc' field is encountered, the field will be removed
+If a `Dcc:' field is encountered, the field will be removed
before sending the message. The Dcc recipient will receive the
message as well, but without being mentioned in the recipient
headers.
should take aliases from.
.PP
Aliasing is done on any address field. Those are:
-`From:', `To:', `Cc:', `Bcc:' and `Dcc',
+`From:', `To:', `Cc:', `Bcc:' and `Dcc:',
or the `Resent\-xxx:' versions of these fields.
.PP
The
.B sendmail
invocation.
.PP
-.B Spost
-puts the
+If you specify a `From:' line manually in the message draft,
+it will be used as provided.
+If there is no `From:' line in the draft,
+.B spost
+uses the
.RI ` Default-From '
-profile entry in the `From:' line of the message.
-If `Default-From' is not set,
+profile entry, if set.
+Otherwise
.B spost
-constructs the `From:' line of the
-message from the user's login name and the full name from the GECOS field
-of the passwd file.
+constructs the `From:' line from the user's login name
+and the full name from the GECOS field of the passwd file.
An example is `From: Dan Harkless <dan>'.
.PP
If you set the
environment variable.
Its value overrides the full name from the GECOS field.
.PP
-If you specify a `From:'
-line manually in the message draft.
-It will be used as provided.
-A `Sender:' header with the user's
-.B real
-address will be added, if the `From' line don't contain a address
-from the user
+A `Sender:' header will be added in two cases.
+First, if the `From:' line given in the draft contains one or
+more addresses, of which none is the user's own one, as defined by
.RI ` Alternate-Mailboxes '.
+(The sender address will then be determined equally as described
+above for the absent `From:' header.)
+Second, if the `From:' line contains multiple addresses, of
+which at least one is the user's own address. The first own
+address will be used as the sender address.
.PP
Note that this applies equally to `Resent\-From:' lines
in messages sent with