man mail (Commandes) - mail ,

NAME

mail ,mailx ,Mail - send and receive mail

SYNOPSIS

mail [-eIinv] [-a header] [-b bcc-addr] [-c cc-addr] [-s subject]to-addr [...] [-- sendmail-options [...]]mail [-eIiNnv]-f [name]mail [-eIiNnv] [-u user]

DESCRIPTION

mail

is an intelligent mail processing system which has a command syntax reminiscent of ed() with lines replaced by messages.

The options are as follows:

-a
Specify additional header fields on the command line such as "X-Loop: foo@bar" etc. You have to use quotes if the string contains spaces. This argument may be specified more than once, the headers will then be concatenated.
-b bcc-addr
Send blind carbon copies to bcc-addr .
-c cc-addr
Send carbon copies to list of users. cc-addr should be a comma separated list of names.
-e
Don't send empty mails. If the body is empty skip the mail.
-f [name]
Read in the contents of your mailbox (or the specified file name ) for processing; when you quit, mail writes undeleted messages back to this file.
-I
Forces mail to run in interactive mode, even when input is not a terminal. In particular, the special ~ command character, used when sending mail, is only available interactively.
-i
Ignore tty interrupt signals. This is particularly useful when using mail on noisy phone lines.
-N
Inhibits initial display of message headers when reading mail or editing a mail folder.
-n
Inhibits reading /etc/mail.rc upon startup.
-s subject
Specify subject on command line (only the first argument after the -s flag is used as a subject; be careful to quote subjects containing spaces).
-u user
Equivalent to: except that locking is done.
-v
Verbose mode. The details of delivery are displayed on the user's terminal.

Startup actions

At startup time, mail will execute commands in the system command file, /etc/mail.rc , unless explicitly told not to by using the -n option. Next, the commands in the user's personal command file ~/.mailrc are executed. mail then examines its command line options to determine whether the user requested a new message to be sent or existing messages in a mailbox to be examined.

Sending mail

To send a message to one or more people, mail can be invoked with arguments which are the names of people to whom the mail will be sent. You are then expected to type in your message, followed by a control-D at the beginning of a line. The section below, 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 and checks your mail out of the post office, then prints out a one line header of each message found. The current message is initially set to the first message (numbered 1) and can be printed using the print command (which can be abbreviated p ) . Moving among the messages is much like moving between lines in ed(1) ; you may use + and - to shift forwards and backwards, or simply enter a message number to move directly.

Disposing of mail

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

Specifying messages

Commands such as print and delete can be given a list of message numbers as arguments to apply to a number of messages at once. Thus delete 1 2 deletes messages 1 and 2, while delete 1-5 deletes messages 1 through 5. The special name addresses all messages and addresses the last message; thus the command top which prints the first few lines of a message could be used in 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 tilde 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 single tab-stop (see the indentprefix variable, below). 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.)

Ending a mail processing session

You can end a mail session with the quit command. Messages which have been examined go to your mbox file unless they have been deleted, in which case they are discarded. Unexamined messages go back to the post office (see the -f option above).

Personal and system wide distribution lists

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

in the file .mailrc in your home directory. The current list of such aliases can be displayed with the alias command in mail . System wide distribution lists can be created by editing /etc/aliases , (see aliases() and sendmail(8) ) ; these are kept in a different syntax. In mail you send, personal aliases will be expanded in mail sent to others so that they will be able to reply to the recipients. System wide aliases are not expanded when the mail is sent, but any reply returned to the machine will have the system wide alias expanded as all mail goes through sendmail()

Network mail (ARPA, UUCP, Berknet)

See mailaddr() for a description of network addresses.

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

(Adapted from the

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 and aborts the command.

-
Print out the preceding message. If given a numeric argument n , goes to the n Ns th previous message and prints it.
?
Prints a brief summary of commands.
!
Executes the shell (see sh() and csh(1) ) command which follows.
Print
Like print but also prints out ignored header fields. See also print , ignore , and retain .
Reply
Reply to originator. Does not reply to other recipients of the original message.
Type
Identical to the Print command.
alias
With no arguments, prints out all currently defined aliases. With one argument, prints out that alias. With more than one argument, creates a new alias or changes an old one.
alternates
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
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
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.
delete
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.
dp
(also dt ) Deletes the current message and prints the next message. If there is no next message, mail says
edit
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
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
The same as folder .
folders
List the names of the folders in your folder directory.
folder
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 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.
from
Takes a list of messages and prints their message headers.
headers
Lists the current windowful of headers. To view the next or previous group of headers, see the z command.
help
A synonym for ? .
hold
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
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.
inc
Incorporate any new messages that have arrived while mail is being read. The new messages are added to the end of the message list, and the current message is reset to be the first new mail message. This does not renumber the existing message list, nor does it cause any changes made so far to be saved.
list
List the valid commands.
mail
Takes as argument login names and distribution group names and sends mail to those people.
mbox
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 have the hold option set.
more
Takes a message list and invokes the pager on that list.
next
(like + or CR ) Goes to the next message in sequence and types it. With an argument list, types the next matching message.
preserve
A synonym for hold .
print
Takes a message list and types out each message on the user's terminal.
quit
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 is 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
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
A synonym for reply .
retain
Add the list of header fields named to the retained list . Only the header fields in the retain list are shown on your terminal when you print a message. All other header fields are suppressed. The Type and Print commands can be used to print a message in its entirety. If retain is executed with no arguments, it lists the current set of retained fields.
save
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.
saveignore
saveignore is to save what ignore is to print and type . Header fields thus marked are filtered out when saving a message by save or when automatically saving to mbox .
saveretain
saveretain is to save what retain is to print and type . Header fields thus marked are the only ones saved with a message when saving by save or when automatically saving to mbox . saveretain overrides saveignore .
set
With no arguments, prints all variable values. Otherwise, sets option. Arguments are of the form option=value (no space before or after =) or option . Quotation marks may be placed around any part of the assignment statement to quote blanks or tabs, i.e., set indentprefix=" ->" .
shell
Invokes an interactive version of the shell.
size
Takes a message list and prints out the size in characters of each message.
source
The source command reads commands from a file.
top
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.
type
A synonym for print .
unalias
Takes a list of names defined by alias commands and discards the remembered groups of users. The group names no longer have any significance.
undelete
Takes a message list and marks each message as not being deleted.
unread
Takes a message list and marks each message as not having been read.
unset
Takes a list of option names and discards their remembered values; the inverse of set .
visual
Takes a message list and invokes the display editor on each message.
write
Similar to save , except that only the message body the header) is saved. Extremely useful for such tasks as sending and receiving source program text over the message system.
xit
A synonym for exit .
z
mail presents message headers in windowfuls as described under the headers command. You can move mail Ns 's attention forward to the next window with the z command. Also, you can move to the previous window by using z- .

Tilde/escapes

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 is somewhat of a misnomer since the actual escape character can be set by the option escape .

~! Ns command
Execute the indicated shell command, then return to the message.
~b Ns name ...
Add the given names to the list of carbon copy recipients but do not make the names visible in the Cc: line ("blind" carbon copy).
~c Ns name ...
Add the given names to the list of carbon copy recipients.
~d
Read the file dead.letter from your home directory into the message.
~e
Invoke the text editor on the message collected so far. After the editing session is finished, you may continue appending text to the message.
~f Ns messages
Read the named messages into the message being sent. If no messages are specified, read in the current message. Message headers currently being ignored (by the ignore or retain command) are not included.
~F Ns messages
Identical to ~f , except all message headers are included.
~h
Edit the 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.
~m Ns messages
Read the named messages into the message being sent, indented by a tab or by the value of indentprefix . If no messages are specified, read the current message. Message headers currently being ignored (by the ignore or retain command) are not included.
~M Ns messages
Identical to ~m , except all message headers are included.
~p
Print out the message collected so far, prefaced by the message header fields.
~q
Abort the message being sent, copying the message to dead.letter in your home directory if save is set.
~R Ns string
Use string as the Reply-To field.
~r Ns filename
Read the named file into the message.
~s Ns string
Cause the named string to become the current subject field.
~t Ns name ...
Add the given names to the direct recipient list.
~v
Invoke an alternate editor (defined by the VISUAL option) on 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.
~w Ns filename
Write the message onto the named file.
~| Ns 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() is often used as command to rejustify the message.
~: Ns mail-command
Execute the given mail command. Not all commands, however, are allowed.
~~ Ns string
Insert the string of text in the message prefaced by a single ~. If you have changed the escape character, then you should double that character in order to send it.

Mail options

Options are controlled via 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:

append
Causes messages saved in mbox to be appended to the end rather than prepended. This should always be set (perhaps in /etc/mail.rc ) .
ask , asksub
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.
askbcc
Causes you to be prompted for additional blind carbon copy recipients at the end of each message. Responding with a newline indicates your satisfaction with the current list.
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.
autoinc
Causes new mail to be automatically incorporated when it arrives. Setting this is similar to issuing the inc command at each prompt, except that the current message is not reset when new mail arrives.
autoprint
Causes the delete command to behave like dp ; thus, after deleting a message, the next one will be typed automatically.
debug
Setting the binary option debug is the same as specifying -d on the command line and causes mail to output all sorts of information useful for debugging mail .
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 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
Setting this option causes to truncate your system mailbox instead of deleting it when it's empty.
keepsave
Messages saved with the save command are not normally saved in mbox at quit time. Use this option to retain those messages.
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.
noheader
Setting the option noheader is the same as giving the -N flag on the command line.
nosave
Normally, when you abort a message with two interrupt characters (usually control-C), mail copies the partial letter to the file dead.letter in your home directory. Setting the binary option nosave prevents this.
Replyall
Reverses the sense of reply and Reply commands.
quiet
Suppresses the printing of the version when first invoked.
searchheaders
If this option is set, then a message-list specifier in the form will expand to all messages containing the substring in the header field The string search is case insensitive. If is omitted, it will default to the header field. The form is a special case, and will expand to all messages containing the substring in the or header fields. The check for is case sensitive, so that can be used to limit the search for to just the field.
verbose
Setting the option verbose is the same as using the -v flag on the command line. When runs in verbose mode, the actual delivery of messages is displayed on the user's terminal.

Option string values

EDITOR
Pathname of the text editor to use in the edit command and ~e escape. If not defined, /usr/bin/ex is used.
LISTER
Pathname of the directory lister to use in the folders command. Default is /bin/ls .
MBOX
The name of the mbox file. It can be the name of a folder. The default is in the user's home directory.
PAGER
Pathname of the program to use in the more command or when the crt variable is set. The default paginator more() is used if this option is not defined.
REPLYTO
If set, will be used to initialize the Reply-To field for outgoing messages.
SHELL
Pathname of the shell to use in the ! command and the ~! escape. A default shell is used if this option is not defined.
VISUAL
Pathname of the text editor to use in the visual command and ~v escape. If not defined, /usr/bin/vi is used.
crt
The valued option crt is used as a threshold to determine how long a message must be before PAGER is used to read it. If crt is set without a value, then the height of the terminal screen stored in the system is used to compute the threshold (see stty(1) ) .
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.
indentprefix
String used by the ~m tilde escape for indenting messages, in place of the normal tab character Be sure to quote the value if it contains spaces or tabs.
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.
screen
Size of window of message headers for z .
sendmail
Pathname to an alternative mail delivery system.
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.

ENVIRONMENT

mail

utilizes the HOME , LOGNAME , USER , SHELL , DEAD , PAGER , LISTER , EDITOR , VISUAL , REPLYTO MAIL , MAILRC , and MBOX environment variables.

If the MAIL environment variable is set, its value is used as the path to the user's mail spool.

FILES

/var/mail/*
post office (unless overridden by the MAIL environment variable)
~/mbox
user's old mail
~/.mailrc
file giving initial mail commands; can be overridden by setting the MAILRC environment variable
/tmp/R*
temporary files
/usr/share/mailx/mail.*help
help files
/etc/mail.rc
system initialization file

SEE ALSO

fmt(1) ,newaliases(1) ,vacation(1) ,aliases(5) ,mailaddr(7) ,mail.local(8) ,newaliases(8) ,sendmail()

"The Mail Reference Manual", /usr/share/doc/mailx .

HISTORY

A mail command appeared in This man page is derived from originally written by Kurt Shoens.

BUGS

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

Usually, Mail and mailx are just links to mail , which can be confusing.

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