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.\" Copyright (c) 1998 Sendmail, Inc. All rights reserved.
.\" Copyright (c) 1990, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" By using this file, you agree to the terms and conditions set
.\" forth in the LICENSE file which can be found at the top level of
.\" the sendmail distribution.
.\"
.\"
.\" @(#)mail.local.8 8.7 (Berkeley) 5/19/98
.\"
.Dd May 19, 1998
.Dt MAIL.LOCAL 8
.Os
.Sh NAME
.Nm mail.local
.Nd store mail in a mailbox
.Sh SYNOPSIS
.Nm mail.local
.Op Fl f Ar from
.Op Fl b
.Op Fl s
.Ar user ...
.Sh DESCRIPTION
.Nm Mail.local
reads the standard input up to an end-of-file and appends it to each
.Ar user's
.Pa mail
file.
The
.Ar user
must be a valid user name.
.Pp
The options are as follows:
.Bl -tag -width xxxfrom
.It Fl f Ar from
Specify the sender's name.
.It Fl b
Turn off the attempts to notify the
.Dq biff
service.
.It Fl s
Turn off the
.Xr fsync 2
call that forces the mailbox to be committed to disk before returning a
.Dq success
status.
.El
.Pp
Individual mail messages in the mailbox are delimited by an empty
line followed by a line beginning with the string ``From ''.
A line containing the string ``From '', the sender's name and a time stamp
is prepended to each delivered mail message.
A blank line is appended to each message.
A greater-than character (``>'') is prepended to any line in the message
which could be mistaken for a ``From '' delimiter line
(that is,
a line beginning with the five characters
``From '' following a blank line).
.Pp
The mail files are exclusively locked with
.Xr flock 2
while mail is appended,
and a
.Pa user.lock
file also is created while the mailbox is locked
for compatibility with older MUAs.
.Pp
If the ``biff'' service is returned by
.Xr getservbyname 3 ,
the biff server is notified of delivered mail.
.Pp
The
.Nm mail.local
utility exits 0 on success, and >0 if an error occurs.
.Sh ENVIRONMENT
.Bl -tag -width indent
.It Ev TZ
Used to set the appropriate time zone on the timestamp.
.El
.Sh FILES
.Bl -tag -width /tmp/local.XXXXXX -compact
.It Pa /tmp/local.XXXXXX
temporary files
.It Pa /var/mail/user
user's mailbox directory
.It Pa /var/mail/user.lock
lock file for a user's mailbox
.El
.Sh SEE ALSO
.Xr mail 1 ,
.Xr flock 2 ,
.Xr getservbyname 3 ,
.Xr comsat 8 ,
.Xr sendmail 8
.Sh HISTORY
A superset of
.Nm mail.local
(handling mailbox reading as well as mail delivery)
appeared in
.At v7 .
as the program
.Nm mail .
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