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faxspool (1)
  • >> faxspool (1) ( Linux man: Команды и прикладные программы пользовательского уровня )


    faxspool - queue and convert files for faxing with sendfax(8)


    faxspool [options] phone-number files...  


    Queue the named files for later transmission with sendfax(8). The input files are converted to G3 fax files, spooled to /var/spool/fax/outgoing/<dir>/f*.g3, and queued for transmsssion to the fax address "phone-number".

    On top of each page, faxspool puts a header line, telling the other side the number of pages, your fax id, ..., whatever you like. The format of this line is configurable via the file /etc/mgetty+sendfax/faxheader (you can select another one with the "-h" option, for example, one for your business faxes and one for the private stuff).

    This file should contain a few lines of text, normally only one line, but more than one line is permitted. The text may use the tokens @T@ for the remote telephone number, @U@ for the sending user name, @N@ for his full name (fifth field of /etc/passwd, if not given with "-F"), @P@ for the page number and @M@ for the total number of pages. @D@ will be replaced by the string specified with the "-D" option (see below), @DATE@ will be substituted by the output of the `date` command, and @ID@ stands for the sender's fax number (FAX_STATION_ID).

    If "phone-number" contains non-numeric characters, faxspool interprets it as an alias and tries to look it up in the files /etc/mgetty+sendfax/faxaliases and $HOME/.faxnrs. These files have a very simple format: one line per alias, alias name first, whitespace (tab or blank), phone number. Optionally, you can place a short description of the receiver after the phone number, this will be used as if it had been specified with "-D" (an explicit "-D" flag overrides this).

    Example: gert 0893244814 Gert Doering

    Access control is handled similar to the way "crontab" does it: if a file /etc/mgetty+sendfax/fax.allow exists, only those users listed in that file (one name per line) may use the fax service. If it does not exist, but a file /etc/mgetty+sendfax/fax.deny exists, all users but those listed in that file may use faxspool(1), and if neither file exists, only root may send faxes. (Note: if the user name in the fax.allow file is followed by a blank, the rest of that line is ignored. Some other fax spooling software uses this to store additional information about the user sending the request).

    Optionally, faxspool can generate user-customizable fax cover pages. It is quite easy to set up: if a file /etc/mgetty+sendfax/make.coverpg exists and is executable, it is run with all relevant source/destination data on the command line, and its output is sent as the first page of the resulting fax. See coverpg(1) for details.



    Tells faxspool to use normal resolution (as opposed to the default, fine resolution) both when converting files to G3 format and when transmitting (no effect on pbm files)
    -h <text file>
    Use <text file> for the FAX header line(s). The default format file for faxspool is /etc/mgetty+sendfax/faxheader. '-' means 'no header line'.
    do not output progress messages (file ... is format ..., spooling to ...). Error messages will be seen anyway.
    -f <mail address>
    Use the address given for the status mail that faxrunq(1) sends after completing / dequeueing the request. If no mail address is specified, the requesting user (on the local machine) gets the mail.
    -u <user name>
    Do not use the current user ID for authentication purposes but the user name specified. Since this can lead to easy breach of security, only "trusted" users may use this flag. Currently, those users are "root", "lp" and "daemon" (hardwired into the code). Note: the status mail will still go to the user running faxspool(1) unless changed with "-f".
    -D <destination>
    Verbose form of the fax's destination. Used only for informational purposes, that is, faxq(1) will show it, faxrunq(1) will put it into the return mail ("Subject: your fax to ..."), and a @D@ in the page header will be replaced by it.
    -F <description>
    Full name or similar description of the sending user (if not specified, the full name field from /etc/passwd will be used). Used only for informational purposes, that is, faxspool(1) will substitute a @N@ in the page header file with it, and it will be passed to the cover page program (if used) as <sender-NAME>.
    -P <priority>
    Sets the priority of the fax in the queue. 9 is highest (meaning: faxes get sent out first), 1 is lowest. If nothing is specified, a default value of 5 is used. Right now, only faxrunqd understands priority, faxrunq will silently ignore it.
    -C <cover page program>
    Specify that the named program is to be used to generate a cover page for the fax that is being queued. How the program is called is described in the coverpg(1) manpage.

    The special program name "-" is used to specify "no coverpage at all".

    No message is issued if the program isn't found, or cannot be executed, faxspool will simply queue the fax without cover page.

    The default cover page program used is /usr/lib/mgetty+sendfax/make.coverpg.

    Spool a request that will try polling (see "sendfax -p"). The implementation isn't too smart yet, the polled files will simply go into the job's spool directory.
    -t <hh:mm>
    Don't send the fax before the time given. It may not be sent exactly at <hh:mm>, but the first time faxrunq runs after that time. If the fax cannot be sent successfully before midnight, it won't be sent on the next day until <hh:mm>!
    -A <data>
    pass faxspool a chunk of data that is ignored (so you can put anything you want here), but written to all the log files (acct.log, sendfax.log). This can be used to tag faxes as private/corporate, to tag faxes with the customer ID to use for billing, or something along that lines.
    -m <phone1> <phone2> <phone3> ... --
    Multicasting - send the specified files to all phone numbers in the list given after "-m". The list is terminated with "--". "-m" has to be the last option on the command line.
    -M <file name>
    Multicasting - read a list of telephone numbers to send the fax to from the given file. Do not use in conjunction with "-m".
    Copy source files to a sub directory ".source-files/" in the fax queue directory (most likely, you won't ever need this - I needed it for one project, so it's here and documented. Don't ask what it's good for).


    fax spool directory
    global fax alias file
    private fax alias file
    list of allowed users
    list of denied users
    default fax page header
    program to create fax cover page (see coverpg(1)).
    program to control which file extentions are recognized (.txt, .ps, ...) and how those file formats should be converted to G3.



    faxspool is not too smart about recognizing file types

    faxspool does only do limited access control - as any user can write to the fax spool directory, he can bypass the "access control"

    Use of faxspool -n with bitmap files may give wrong results, depending on the aspect ratio of the input files.

    Multicasting with the -m and -M options is not implemented yet.



    g3cat(1), pbm2g3(1), sendfax(8), faxrunq(1), faxq(1), faxqueue(5), coverpg(1)  


    faxspool is Copyright (C) 1993 by Gert Doering, <>. Access control and alias handling suggested by Caz Yokoyama, <>.




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