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Full Discussion: Files still being created in /var/spool/mmdf/lock/home
Top Forums UNIX for Dummies Questions & Answers Files still being created in /var/spool/mmdf/lock/home Post 302069531 by RTM on Monday 27th of March 2006 09:37:21 AM
Old 03-27-2006
mmdf is the SCO mail daemon - the files being created are probably email to be sent. If it's like Sendmail, the mail will still be running even though you killed the mmdf process. This means killing the process doesn't stop email from being created and put into the queue to be sent - it just means you can't receive mail on that server (again, assuming MMD works like Sendmail).

Check what type of files are being put into the directories - file * should list them. If they are type ascii, cat a couple of them. You will probably find they are emails. Check to see if any of the files seem to be spam. You may not have your mmdf set up properly and could be a relay for a spammer.

Killing off the mmdf probably didn't do a thing for you. And if the system is slow (and email isn't going out), then you probably have a problem with DNS (again, this is assuming that mmdf works like Sendmail) OR with someone using your system as a mail relay.

mmdf relay
MMDF overview

Quote from MMDF overview:
Quote:
After parsing the database and determining what channel the message needs to be sent through, the message is place in the appropriate queue directory. These are located in /usr/spool/mmdf/lock/home. There is one directory of the form q.<channel> for each <channel> configured. In addition, there are two other directories here: msg and addr.

The files in q.<channel> are linked to the files in addr and contain administrative information about the message like the sender, recipient and the queue. At first, it may seem odd to have duplicate files, like this. However, this makes sense when you consider the different delivery modes, or "priorities" you can configure MMDF for.
 

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LEARN ABOUT DEBIAN

rcvpack

RCVPACK(1)							     [nmh-1.5]								RCVPACK(1)

NAME

       rcvpack - append message to file

SYNOPSIS

       /usr/lib/mh/rcvpack file [-mbox] [-mmdf] [-version] [-help]

DESCRIPTION

       The rcvpack program will append a copy of the message to the file listed on its command line.

       If the -mbox switch is given (the default), then the messages are separated using mbox (uucp) style delimiters.	This is the format used by
       most mail clients (elm, mailx, etc.).

       If the -mmdf switch is given, then the messages are separated by mmdf style delimiters.	Each message in the  file  is  separated  by  four
       CTRL-A's and a newline.

       rcvpack will correctly lock and unlock the file to serialize access to the file, when running multiple copies of rcvpack .

       In general, its use is obsoleted by the file action of slocal, although it might still have occasional uses in various shell scripts.

FILES

       /etc/nmh/mts.conf	  nmh mts configuration file

SEE ALSO

       rcvdist(1), rcvstore(1), rcvtty(1), slocal(1)

BUGS

       Only two return codes are meaningful, others should be.

MH.6.8								   11 June 2012 							RCVPACK(1)
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