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MAIL_BSD(1)							   MAIL_BSD(1)


NAME    [Toc]    [Back]

     Mail - send and receive mail

SYNOPSIS    [Toc]    [Back]

     Mail [ -v ] [ -i ]	[ -n ] [ -s subject ] [	user...	 ]
     Mail [ -v ] [ -i ]	[ -n ] -f [ name ]
     Mail [ -v ] [ -i ]	[ -n ] -u user

INTRODUCTION    [Toc]    [Back]

     Mail is an	interactive mail processing system, which has a	command	syntax
     reminiscent of ed with lines replaced by messages.

     The -v flag puts Mail into	verbose	mode; the details of delivery are
     displayed on the users terminal.  The -i flag causes tty interrupt
     signals to	be ignored. This is particularly useful	when using Mail	on
     noisy phone lines.	 The -n	flag inhibits the reading of /usr/lib/Mail.rc.

     Sending mail.  To send a message to one or	more other people, Mail	can be
     invoked with arguments which are the names	of people to send to.  You are
     then expected to type in your message, followed by	an EOT (control-D) at
     the beginning of a	line.  A subject may be	specified on the command line
     by	using the -s flag. (Only the first argument after the -s flag is used
     as	a subject; be careful to quote subjects	containing spaces.)  The
     section below, labeled Replying to	or originating mail, describes some
     features of Mail available	to help	you compose your letter.

     Reading mail.  In normal usage Mail is given no arguments.	 It checks
     your mail out of your system mailbox, then	prints out a one line summary
     of	each message there.  The current message is initially the first
     message (numbered 1) and can be printed using the print command (which
     can be abbreviated	p).  You can move among	the messages much as you move
     between lines in ed, with the commands `+'	and `-'	moving backwards and
     forwards, and simple numbers.

     Disposing of mail.	 After examining a message you can delete (d) the
     message or	reply (r) to it.  Deletion causes the Mail program to forget
     about the message.	 This is not irreversible; the message can be
     undeleted (u) by giving its number, or the	Mail session can be aborted by
     giving the	exit (x) command.  Deleted messages will, however, usually
     disappear never to	be seen	again.

     Specifying	messages.  Commands such as print delete and from can be given
     a list of messages	as an argument in order	to apply to a number of
     messages at once.	This list of messages can be specified in one of three
     mutually exclusive	ways:

     First, messages may be specified by message number.  Thus ``delete	1 2''
     deletes messages 1	and 2, while ``delete 1-5'' deletes messages 1 through
     5.	 In conjunction	with message numbers, the following special names may
     also be used:  The	special	name `^' addresses the first message, and `$'
     addresses the last	message.




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MAIL_BSD(1)							   MAIL_BSD(1)



     Second, messages may be specified by sender's name, sender's name
     substring or subject substring.  You may supply a list of whitespace
     separated message senders'	names and/or message senders' names substrings
     and/or message subject substrings to commands accepting message lists.  A
     message sender's name is a	string of characters which must	begin with an
     alphabetic	character, and must match exactly the sender's name in the
     target message.  A	message	sender's name substring	is a `?' character
     immediately followed (no whitespace) by a string of characters and
     specifies all messages with a sender's name containing the	character
     string as a substring.  A message subject is a `/'	character immediately
     followed (no whitespace) by a string of characters	and specifies all
     messages with a subject line containing the character string as a
     substring.	 Examples: ``from foo''	lists all messages from	``foo''
     exactly, while ``from /foo'' lists	all messages with substring ``foo'' in
     their subject lines and ``from ?foo'' lists all messages with substring
     foo in their senders' names.

     Third, the	special	name `*' can be	used to	address	all messages. Thus the
     command top which prints the first	few lines of a message could be	used
     as	``top *'' to print the first few lines of all messages.

     Replying to or originating	mail.  You can use the reply command to	set up
     a response	to a message, sending it back to the person who	it was from.
     Text you then type	in, up to an end-of-file, defines the contents of the
     message.  While you are composing a message, Mail treats lines beginning
     with the character	`~' specially.	For instance, typing ``~m'' (alone on
     a line) will place	a copy of the current message into the response	right
     shifting it by a tabstop.	Other escapes will set up subject fields, add
     and delete	recipients to the message and allow you	to escape to an	editor
     to	revise the message or to a shell to run	some commands.	(These options
     are given in the summary below.)

     Incorporating new mail.  You can read new mail which has arrived during
     the session by using the folder command to	reread your system mailbox.  A
     convenient	way to do this is to type the command ``folder %'' or
     ``fo %''.	This will have the same	effect as typing the quit command to
     end the session (see below) and then re-invoking Mail with	no arguments.

     Ending a mail processing session.	You can	end a Mail session with	the
     quit (q) or exit (x) commands.  If	you use	the quit command, messages
     which have	been examined will be moved to your mbox file, messages	which
     have been deleted are discarded, and unexamined messages are copied back
     to	your system mailbox.  If you have used the -f option to	read in	the
     contents of your mbox (or other file) for processing; when	you quit, Mail
     writes undeleted messages back to this file.  In the event	that Mail
     cannot rewrite mbox (or other file) to write back messages, Mail will
     print a message indicating	the trouble and	will not exit.	This gives you
     the option	of trying to set things	right.	If things cannot be set	right,
     you can escape Mail by using the exit command described below.






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     If	you use	the exit command, Mail exits without making any	modifications
     to	the mail file.	Deleted	messages will not be discarded.

     Personal and systemwide distribution lists.  It is	also possible to
     create a personal distribution lists so that, for instance, you can send
     mail to ``cohorts'' and have it go	to a group of people.  Such lists can
     be	defined	by placing a line like

	  alias	cohorts	bill ozalp jkf mark kridle@ucbcory

     in	the file .mailrc in your home directory.  The current list of such
     aliases can be displayed with the alias (a) command in Mail.  System wide
     distribution lists	can be created by editing /usr/lib/Mail.rc (which may
     contain other Mail	commands such as set).	An alias of the	form

	  alias	bob sauron!bob

     will be ignored on	the sauron system so that the same /usr/lib/Mail.rc or
     ~/.mailrc file may	be used	on several machines with correct behavior.

     You may include a pathname	in the distribution list, and Mail will	record
     outgoing messages in that file.  It is preferable to place	pathnames and
     folders in	the ``Bcc:'' list, to prevent recipients from replying to a
     nonexistent filename.

     Forwarding	mail.  Forwarding of mail is done via the .forward file
     mechanism of the sendmai
     manual page for details.

     Signatures.  A signature line (or lines) may be automatically appended to
     the end of	all outgoing letters by	placing	the text in the	file
     .lsignature, .rsignature, or .signature in	your home directory.  The file
     .lsignature is used for local mail, that is the recipients	specified do
     not have `!' or `@' in their names	(prior to aliasing) and	the file
     .rsignature is used for remote mail.  If the appropriate one of these
     does not exist, .signature	is used	for compatibility with previous
     versions of Mail.

     Mail has a	number of options which	can be set in the .mailrc file to
     alter its behavior; thus ``set askcc'' enables the	``askcc'' feature.
     (These options are	summarized below.)

SUMMARY    [Toc]    [Back]

     Each command is typed on a	line by	itself,	and may	take arguments
     following the command word.  The command need not be typed	in its
     entirety -	the first command which	matches	the typed prefix is used.  For
     commands which take message lists as arguments, if	no message list	is
     given, then the next message forward which	satisfies the command's
     requirements is used.  If there are no messages forward of	the current
     message, the search proceeds backwards, and if there are no good messages
     at	all, Mail types	``No applicable	messages'' and aborts the command.




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MAIL_BSD(1)							   MAIL_BSD(1)



     !		 Executes the UNIX shell command which follows.

     -		 Goes to the previous message and prints it out.

     =		 Prints	the current message number.

     ?		 If the	qmarkishelp option is set (see below), this is a
		 synonym for the help command.	Otherwise, ? indicates the
		 start of a sender's name substring message list (see
		 ``Specifying messages'' above).

     More	 (M) Like Print	but invokes your pager.

     New	 (N) Identical to the unread command.

     Page	 (Pa) A	synonym	for More.

     Print	 (P) Like print	but also prints	out ignored header fields. See
		 also print and	ignore.

     Reply	 (R) Reply to originator. Does not reply to other recipients
		 of the	original message.

     Respond	 (Res) A synonym for Reply

     Type	 (T) Identical to the Print command.

     Unread	 (U) Identical to the unread command.

     alias	 (a) With no arguments,	prints out all currently-defined
		 aliases.  With	one argument, prints out that alias.  With
		 more than one argument, creates an new	or changes an on old
		 alias.

     alternates	 (alt) The alternates command is useful	if you have accounts
		 on several machines.  It can be used to inform	Mail that the
		 listed	addresses are really you. When you reply to messages,
		 Mail will not send a copy of the message to any of the
		 addresses listed on the alternates list. If the alternates
		 command is given with no argument, the	current	set of
		 alternate names is displayed.

     chdir	 (cd) Changes the user's working directory to that specified,
		 if given.  If no directory is given, then changes to the
		 user's	login directory.

     copy	 (c) The copy command does the same thing that save does,
		 except	that it	does not mark the messages it is used on for
		 deletion when you quit.






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     delete	 (d) Takes a list of messages as argument and marks them all
		 as deleted.  Deleted messages will not	be saved in mbox, nor
		 will they be available	for most other commands.

     discard	 (di) A	synonym	for ignore.

     dp		 (also dt) Deletes the current message and prints the next
		 message.  If there is no next message,	Mail says ``at EOF.''

     echo	 (ec) Takes a string and echos it to standard output.

     edit	 (e) Takes a list of messages and points the text editor at
		 each one in turn.  On return from the editor, the message is
		 read back in.

     exit	 (ex or	x) Effects an immediate	return to the Shell without
		 modifying the user's system mailbox, his mbox file, or	his
		 edit file in -f.

     file	 (fi) The same as folder.

     folder	 (fo) The folder command switches to a new mail	file or
		 folder. With no arguments, it tells you which file you	are
		 currently reading.  If	you give it an argument, it will write
		 out changes (such as deletions) you have made in the current
		 file and read in the new file.	Some special conventions are
		 recognized for	the name.  @ means the current file in readonly
 mode, $ means the	current	file, in read/write mode if
		 possible, # means the previous	file, %	means your system
		 mailbox, %user	means user's system mailbox, & means your
		 ~/mbox	file, and +folder means	a file in your folder
		 directory.

		 Issuing the command ``folder %'' while	you are	reading	your
		 system	mailbox	is a convenient	way to incorporate new mail
		 which has arrived during the session.

     folders	 List the names	of the folders in your folder directory.

     from	 (f) Takes a list of messages and prints their summary lines.
		 See the Specifying messages section above for examples	of how
		 to use	this command to	list only the messages from a
		 particular person, or about a particular subject.

     group	 (g) A synonym for alias.

     hd		 Lists the message summary lines of all	deleted	messages.
		 These are the messages	that have been deleted by the delete
		 command, but that have	not yet	been removed from the mailbox.
		 These messages	may be undeleted by use	of the undelete
		 command.




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MAIL_BSD(1)							   MAIL_BSD(1)



     headers	 (h) Lists the current group of	message	summary	lines
		 (historically called "headers").  Summary lines are grouped
		 and displayed by windowfuls (as many lines as will fit	in the
		 window).  If there are	more summary lines than	will fit in
		 the current window, the z command can be used to scroll
		 through multiple summary line groups.

     help	 Prints	a brief	summary	of commands.

     hold	 (ho, also preserve) Takes a message list and marks each
		 message therein to be saved in	the user's system mailbox
		 instead of in mbox.  Does not override	the delete command.

     ignore	 (ig) Add the list of header fields named to the ignored list.
		 Header	fields in the ignore list are not printed on your
		 terminal when you print a message. This command is very handy
		 for suppression of certain machine-generated header fields.
		 The Type and Print commands can be used to print a message in
		 its entirety, including ignored fields. If ignore is executed
		 with no arguments, it lists the current set of	ignored
		 fields.

     list	 (li) Prints the list of all Mail commands.

     mail	 (m) Takes as argument login names and distribution group
		 names and sends mail to those people.

     mbox	 (mb) Indicate that a list of messages be sent to mbox in your
		 home directory	when you quit. This is the default action for
		 messages if you do not	have the hold option set.

     more	 (mo) Like print but invokes your pager.

     new	 Identical to the unread command

     next	 (n like + or CR) Goes to the next message in sequence and
		 types it.  With an argument list, types the next matching
		 message.

     page	 (pa) A	synonym	for more.

     preserve	 (pre) A synonym for hold.

     print	 (p) Takes a message list and types out	each message on	the
		 user's	terminal.

     quit	 (q) Terminates	the session, saving all	undeleted, unsaved
		 messages in the user's	mbox file in his login directory,
		 preserving all	messages marked	with hold or preserve or never
		 referenced in his system mailbox, and removing	all other
		 messages from his system mailbox.  If new mail	has arrived
		 during	the session, the message ``You have new	mail'' is



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MAIL_BSD(1)							   MAIL_BSD(1)



		 given.	 If given while	editing	a mailbox file with the	-f
		 flag, then the	edit file is rewritten.	 A return to the Shell
		 is effected, unless the rewrite of edit file fails, in	which
		 case the user can escape with the exit	command.

     reply	 (r) A synonym for Reply.

     replyall	 (ra or	RA) Takes a message list and sends mail	to the sender
		 and all recipients of the specified message.  The default
		 message must not be deleted.

     respond	 (res) A synonym for Reply.

     save	 (s) Takes a message list and a	filename and appends each
		 message in turn to the	end of the file.  The filename in
		 quotes, followed by the line count and	character count	is
		 echoed	on the user's terminal.	If filename does not already
		 exist it will be created.  If filename	begins with a ``|'' or
		 ``!'' then it will be interpreted as a	shell command and the
		 contents of the messages passed to it on standard input.

     set	 (se) With no arguments, prints	all variable values.
		 Otherwise, sets option.  Arguments are	of the form
		 ``option=value'' or ``option.''

     shell	 (sh) Invokes an interactive version of	the shell.

     size	 (si) Takes a message list and prints out the size in
		 characters of each message.

     source	 (so) The source command reads Mail commands from a file.

     top	 (to) Takes a message list and prints the top few lines	of
		 each.	The number of lines printed is controlled by the
		 variable toplines and defaults	to five.

     touch	 (tou) Takes a message list and	causes each message therein to
		 be saved in either the	user's system mailbox or in mbox
		 according to the state	of the hold option.

     type	 (t) A synonym for print.

     undelete	 (u) Takes a message list and marks each one as	not being
		 deleted.

     unread	 (unr or U) Takes a message list and marks each	message	as not
		 having	been read.  Also see the Unread	command.

     unset	 Takes a list of option	names and discards their remembered
		 values; the inverse of	set.





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MAIL_BSD(1)							   MAIL_BSD(1)



     version	 (ve) Prints the version number	of Mail	that you are using.

     visual	 (v) Takes a message list and invokes the display editor on
		 each message.

     write	 (w) Like save except that the message header and the blank
		 line after the	message	body are not appended to the file.
		 Only the message body of each message is appended to the
		 file.

     xit	 (x) A synonym for exit.

     z		 Mail presents message summary lines in	windowfuls as
		 described under the headers command. You can move Mail's
		 attention forward to the next window with the z command.
		 Also, you can move to the previous window by using z-.

     Here is a summary of the tilde escapes, which are used when composing
     messages to perform special functions.  Tilde escapes are only recognized
     at	the beginning of lines.	 The name ``tilde escape'' is somewhat of a
     misnomer since the	actual escape character	can be set via the escape
     option.

     ~!	command	    Execute the	indicated shell	command, then return to	the
		    message.

     ~:	command	    Execute the	indicated Mail command,	then return to the
		    message.

     ~?		    Display the	tilde escape help file.

     ~b	name ...    Add	the given names	to the list of blind carbon copy
		    (``Bcc:'') recipients.

     ~c	name ...    Add	the given names	to the list of carbon copy (``Cc:'')
		    recipients.

     ~cm string	    Cause the string to	become the current ``Comments:''
		    field.

     ~d		    Read the file ``dead.letter'' from your home directory
		    into the message.

     ~E		    Invoke the text editor on the entire message collected so
		    far	including the message header fields.  The existing
		    message header fields will be displayed above a dashed
		    line and the existing message body will be displayed below
		    the	dashed line.  You are free to edit the message headers
		    and	body at	will, but you must be careful that the final
		    format of the headers conforms to the RFC 822 standard.
		    You	must also take care that no blank lines	appear within
		    the	header section of the message and that you do not



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MAIL_BSD(1)							   MAIL_BSD(1)



		    remove the dashed line separating the message headers from
		    the	message	body.  After the editing session is finished,
		    you	may continue appending text to the message.

     ~e		    Invoke the text editor on the body of the message
		    collected so far.  After the editing session is finished,
		    you	may continue appending text to the message.

     ~eh	    Same as ~E above.

     ~en string	    Cause the string to	become the current ``Encrypted:''
		    field.

     ~f	messages    Read the named messages into the message being sent.  If
		    no messages	are specified, read in the current message.

     ~H		    Edit all standard message header fields by typing each one
		    in turn and	allowing the user to append text to the	end or
		    modify the field by	using the current terminal erase and
		    kill characters.

     ~h		    Edit the basic message header fields (To:, Subject:, Cc:,
		    Bcc:) by typing each one in	turn and allowing the user to
		    append text	to the end or modify the field by using	the
		    current terminal erase and kill characters.

     ~irt string    Add	the string to the ``In-Reply-To:'' list.

     ~k	string	    Add	the string to the ``Keywords:''	list.

     ~m	messages    Read the named messages into the message being sent
		    shifted right one tab.  Note that if the mprefix option is
		    set	(see below), the tab will be replaced with the
		    specified string.  If no messages are specified, read the
		    current message.

     ~p		    Print out the message collected so far.  First the message
		    header fields are displayed	followed by a dashed line
		    separator, then the	message	body.

     ~q		    Abort the message being sent, copying the message to
		    ``dead.letter'' in your home directory.

     ~r	file	    Read the named file	into the message.

     ~rf string	    Add	the string to the ``References:'' list.

     ~rr [string]   Cause a ``Return-Receipt-To:'' field to be added to	the
		    message.  If the string is specified, it will be added to
		    the	list of	recipients in the ``Return-Receipt-To:''
		    field.  If the string is not specified and no ``ReturnReceipt-To:''
 field	exists in the message, one will	be



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MAIL_BSD(1)							   MAIL_BSD(1)



		    created and	your user name will be specified.  If the
		    string is not specified and	a ``Return-Receipt-To:'' field
		    already exists in the message, the entire field will be
		    removed.

		    If the ``Return-Receipt-To:'' header field is present when
		    the	message	is sent, and if	the intervening	mail delivery
		    system supports return receipts, a return receipt will be
		    sent to your mailbox when the message is successfully
		    delivered to each of the specified recipients.

     ~rt name ...   Add	the given names	to the ``Reply-To:'' list.

     ~s	string	    Cause the string to	become the current ``Subject:''	field.

     ~t	name ...    Add	the given names	to the direct recipients (``To:'')
		    list.

     ~V		    Invoke an alternate	editor (defined	by the VISUAL option)
		    on the entire message collected so far including the
		    message header fields.  The	existing message header	fields
		    will be displayed above a dashed line and the existing
		    message body will be displayed below the dashed line.  You
		    are	free to	edit the message headers and body at will, but
		    you	must be	careful	that the final format of the headers
		    conforms to	the RFC	822 standard.  You must	also take care
		    that no blank lines	appear within the header section of
		    the	message	and that you do	not remove the dashed line
		    separating the message headers from	the message body.
		    After the editing session is finished, you may continue
		    appending text to the message.

     ~v		    Invoke an alternate	editor (defined	by the VISUAL option)
		    on the body	of the message collected so far.  Usually, the
		    alternate editor will be a screen editor.  After you quit
		    the	editor,	you may	resume appending text to the end of
		    your message.

     ~vh	    Same as ~V above.

     ~w	file	    Write the message onto the named file.

     ~|command	    Pipe the message through the command as a filter.  If the
		    command gives no output or terminates abnormally, retain
		    the	original text of the message.  The command fmt(1) is
		    often used as command to rejustify the message.

     ~~string	    Insert the string into the message prefaced	by a single ~.
		    If you have	changed	the escape character, then you should
		    double that	character in order to send it.





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     Options are controlled via	the set	and unset commands.  Options may be
     either binary, in which case it is	only significant to see	whether	they
     are set or	not, or	string,	in which case the actual value is of interest.
     The binary	options	include	the following:

     Replyall	    Swaps the behavior of the r/Reply/Respond and ra/Replyall
		    commands resulting in a more BSD-like interface.

     append	    Causes messages saved in mbox to be	appended to the	end
		    rather than	prepended.  (This is set in /usr/lib/Mail.rc
		    on version 7 systems.)

     ask	    Causes Mail	to prompt you for the subject of each message
		    you	send.  If you respond with simply a newline, no
		    subject field will be sent.

     askcc	    Causes you to be prompted for additional carbon copy
		    recipients at the end of each message.  Responding with a
		    newline indicates your satisfaction	with the current list.

     autoprint	    Causes the delete command to behave	like dp	- thus,	after
		    deleting a message,	the next one will be typed
		    automatically.

     crt	    Causes your	pager to be invoked if a message to be printed
		    is longer than the current window.	This option can	also
		    be used as a valued	option (see below).

     dot	    The	binary option dot causes Mail to interpret a period
		    alone on a line as the terminator of a message you are
		    sending.

     hold	    This option	is used	to hold	messages in the	system mailbox
		    (instead of	mbox ) by default.

     ignore	    Causes interrupt signals from your terminal	to be ignored
		    and	echoed as @'s.

     ignoreeof	    An option related to dot is	ignoreeof which	makes Mail
		    refuse to accept a control-D as the	end of a message.
		    Ignoreeof also applies to Mail command mode.

     keep	    Prevents Mail from deleting	empty mailboxes	when you quit.

     keepsave	    If set, messages which are saved via the save command are
		    not	deleted	from the current mailbox automatically.

     metoo	    Usually, when a group is expanded that contains the
		    sender, the	sender is removed from the expansion.  Setting
		    this option	causes the sender to be	included in the	group.





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     noaskrolock    Normally, when Mail	encounters a mailfile which is readonly
 locked, it interactively asks the user	how he wants
		    to proceed.	 This option causes Mail to bypass the
		    interactive	dialog and automatically open the mailfile in
		    read-only mode.  In	order to select	a different automatic
		    behaviour, this option can be used as a valued option (see
		    below).

     noheader	    Suppresses the printing of message summary lines when Mail
		    is first invoked.

     nosave	    Normally, when you abort a message with two	RUBOUT,	Mail
		    copies the partial letter to the file ``dead.letter'' in
		    your home directory. Setting the binary option nosave
		    prevents this.

     qmarkishelp    If set, ? becomes a	synonym	for the	help command.

     quiet	    Suppresses the printing of the version when	Mail is	first
		    invoked.

     showlast	    If this option is set at the time when Mail	is first
		    invoked, and if no new or unread messages are present in
		    the	system mailbox,	Mail will display the last windowful
		    of summary lines first, and	will set the current message
		    to be the last message in the mailfile.  This option only
		    makes sense	when used with the hold	option described
		    above.

     showmsize	    If this option is set, Mail	will include the line count
		    and	character count	on the summary line for	each message.

     showto	    Causes Mail	to display the recipient instead of sender
		    when displaying the	summary	line of	a message for which
		    you	were the sender	(your user name	appears	in the From:
		    header field).  This is useful when	using Mail to browse
		    or edit a file of saved outgoing mail such as is created
		    when the record option is defined (see below).

     verbose	    Setting the	option verbose is the same as using the	-v
		    flag on the	command	line. When mail	runs in	verbose	mode,
		    the	actual delivery	of messages is displayed on the	users
		    terminal.

     The following options have	string values:

     EDITOR	    Pathname of	the text editor	to use in the edit command and
		    and	~eh escapes.  This defaults to the value of the	EDITOR
		    environment	variable.






								       Page 12






MAIL_BSD(1)							   MAIL_BSD(1)



     HOME	    The	pathname of your home directory.  This defaults	to the
		    value of the HOME environment variable.

     PAGER	    Pathname of	your pager to use in the More or more
		    commands, or if the	crt option is selected.	 If not
		    defined, this defaults to the value	of the PAGER
		    environment	variable.  If the PAGER	environment variable
		    is not defined either, then	more(1)	is the default.

     SHELL	    Pathname of	the shell to use in the	! command and the ~!
		    escape.  This defaults to the value	of the SHELL
		    environment	variable.

     TMPDIR	    The	directory to use for temporary files.  This defaults
		    to the value of the	TMPDIR environment variable.  If the
		    TMPDIR environment variable	is not defined either, then
		    /tmp is the	default.

     VISUAL	    Pathname of	the text editor	to use in the visual command
		    and	~v and ~vh escapes.

     command:	    Allows the user to ``alias'' commands.  Syntax is:

			 set command:x=y

		    Where x is a new name for the command and y	is the
		    original command.  For example:

			 set command:ls=headers

		    defines a new command ``ls'' which is equivalent to	the
		    existing ``headers'' command.

     crt	    If crt is used as a	valued option (see above for a
		    description	of how crt is used as a	binary option),	it is
		    used as a threshold	to determine how long a	message	must
		    be before the user's pager is used to read it.  In effect,
		    this allows	the user to override the current window	size
		    which would	be used	in the case of the binary crt option.

     escape	    If defined,	the first character of this option gives the
		    character to use in	the place of ~ to denote escapes.

     folder	    The	name of	the directory to use for storing folders of
		    messages. If this name begins with a `/', Mail considers
		    it to be an	absolute pathname; otherwise, the folder
		    directory is found relative	to your	home directory.

     mprefix	    If defined,	gives the string which will be prepended to
		    each inserted line when using the ~m command to insert
		    text from a	previous message into the current message
		    being composed.  If	not defined a tab will be the default.



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MAIL_BSD(1)							   MAIL_BSD(1)



     noaskrolock    Normally, when Mail	encounters a mailfile which is readonly
 locked, it interactively asks the user	how he wants
		    to proceed.	 This option causes Mail to bypass the
		    interactive	dialog and automatically proceed as follows:

		    If set to "R" or "r", Mail will open the mailfile readonly.


		    If set to "W" or "w", Mail will forcibly acquire the lock
		    and	open the mailfile read-write.

     record	    If defined,	gives the pathname of the file used to record
		    all	outgoing mail.	If not defined,	then outgoing mail is
		    not	so saved.

     replyto	    If defined,	gives the address which	should be entered into
		    the	Reply-To: header field for all outgoing	mail.

     sendmail	    If defined,	gives the full pathname	of the mail transfer
		    agent program to use to send mail.	If not set,
		    /usr/lib/sendmail will be used.  It	is usually unnecessary
		    to set this	option.

     toplines	    If defined,	gives the number of lines of a message to be
		    printed out	with the top command; normally,	the first five
		    lines are printed.

FILES    [Toc]    [Back]

     $HOME/mbox		      Your saved mail (unless the hold option is set).

     $HOME/dead.letter	      File where the text of the last aborted message
			      will be saved (unless the	nosave option is set).
			      Note that	in the event of	a delivery failure,
			      sendmail may append the failed message to
			      ``dead.letter.''	This may result	in multiple
			      messages being present in	``dead.letter.''

     $HOME/.mailrc	      File giving initial mail commands.

     $HOME/.lsignature	      File to append to	outgoing local mail.

     $HOME/.rsignature	      File to append to	outgoing remote	mail.

     $HOME/.signature	      File to append to	outgoing mail if .lsignature
			      and .rsignature do not exist.

     $TMPDIR/R*		      Misc. temporary files.

     $TMPDIR/Message*	      Temporary	editor files.






								       Page 14






MAIL_BSD(1)							   MAIL_BSD(1)



     /usr/mail/*	      System mail directory.

     /usr/mail/user	      System mailbox for user.

     /usr/mail/user.lock      Lock for user's mailbox.

     /usr/mail/user.rolock    Read-only	lock for user's	mailbox.  Used to
			      prevent file contention between multiple Mail
			      instances.

     /usr/lib/Mail.help*      Help files.

     /usr/lib/Mail.rc	      System initialization file.

     /usr/sbin/Mail	      Mail program.

SEE ALSO    [Toc]    [Back]

      
      
     mail_att(1), sendmail(1M).
     Internet RFC 822 -	Standard for the Format	of Internet Text Messages.

WARNINGS    [Toc]    [Back]

     Mail recognizes and acts upon tilde escapes in the	body of	the message
     being collected on	standard input regardless of whether or	not standard
     input is connected	to a tty.  If you redirect Mail	's standard input to
     come from a file or pipe:

	  Mail someuser	< msgfile

     or

	  cat msgfile |	Mail someuser

     you must take care	to insure that no line of msgfile inadvertently	begins
     with a '~'	character or Mail will produce unwanted	results.  Note that
     there is nothing wrong with imbedding tilde escapes in the	body of	such a
     msgfile provided you know what you	are doing.  Such imbedded tilde
     escapes are useful	for setting the	Cc: list, arranging return receipts,
     and performing other functions not	available via command line options.

BUGS    [Toc]    [Back]

     There are many flags that are not documented here.	Most are not useful to
     the general user.


								       PPPPaaaaggggeeee 11115555
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