DMA man page on DragonFly

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DMA(8)			  BSD System Manager's Manual			DMA(8)

NAME
     dma — DragonFly Mail Agent

SYNOPSIS
     dma [-DiOt] [-Amode] [-bmode] [-f sender] [-L tag] [-ooption] [-r sender]
	 [-q[arg]] [recipient ...]

DESCRIPTION
     dma is a small Mail Transport Agent (MTA), designed for home and office
     use.  It accepts mails from locally installed Mail User Agents (MUA) and
     delivers the mails either locally or to a remote destination.  Remote
     delivery includes several features like TLS/SSL support and SMTP authen‐
     tication.

     dma is not intended as a replacement for real, big MTAs like sendmail(8)
     or postfix(1).  Consequently, dma does not listen on port 25 for incoming
     connections.

     The options are as follows:

     -Amode  -Ac acts as a compatibility option for sendmail.

     -bmode

	     -bp     List all mails currently stored in the mail queue.

	     -bq     Queue the mail, but don't attempt to deliver it.  See
		     also the ‘DEFER’ config file setting below.

	     All other modes are are ignored.

     -D	     Don't run in the background.  Useful for debugging.

     -f sender
	     Set sender address to sender.

     -i	     Ignore dots alone on lines by themselves in incoming messages.
	     This should be set if you are reading data from a file.

     -L tag  Set the identifier used in syslog messages to the supplied tag.
	     This is a compatibility option for sendmail.

     -O	     This is a compatibility option for sendmail.

     -ooption
	     Specifying -oi is synonymous to -i.  All other options are
	     ignored.

     -q[arg]
	     Process saved messages in the queue.  The argument is optional
	     and ignored.

     -r sender
	     Same as -f.

     -t	     Obtain recipient addresses from the message header.  dma will
	     parse the To:, Cc:, and Bcc: headers.  The Bcc: header will be
	     removed independent of whether -t is specified or not.

CONFIGURATION
     dma can be configured with three config files:

     ·	 auth.conf
     ·	 dma.conf
     ·	 virtusertable

     These three files are stored per default in /etc/dma.

FILE FORMAT
     Every file contains parameters of the form ‘name value’.  Lines contain‐
     ing boolean values are set to ‘NO’ if the line is commented and to ‘YES’
     if the line is uncommented.  Empty lines or lines beginning with a ‘#’
     are ignored.  Parameter names and their values are case sensitive.

PARAMETERS
   auth.conf
     SMTP authentication can be configured in auth.conf.  Each line has the
     format “user|smarthost:password”.

   dma.conf
     Most of the behaviour of dma can be configured in dma.conf.

     SMARTHOST (string, default=empty)
	   If you want to send outgoing mails via a smarthost, set this vari‐
	   able to your smarthosts address.

     PORT (numeric, default=25)
	   Use this port to deliver remote emails.  Only useful together with
	   the ‘SMARTHOST’ option, because dma will deliver all mails to this
	   port, regardless of whether a smarthost is set or not.

     ALIASES (string, default=/etc/mail/aliases)
	   Path to the local aliases file.  Just stick with the default.

     SPOOLDIR (string, default=/var/spool/dma)
	   Path to dma's spool directory.  Just stick with the default.

     VIRTPATH (string, default=/etc/dma/virtusertable)
	   Path to the ‘virtusertable’ file.

     AUTHPATH (string, default=/etc/dma/auth.conf)
	   Path to the ‘auth.conf’ file.

     VIRTUAL (boolean, default=commented)
	   Uncomment if you want virtual user support.

     SECURETRANS (boolean, default=commented)
	   Uncomment if you want TLS/SSL secured transfer.

     STARTTLS (boolean, default=commented)
	   Uncomment if you want to use STARTTLS.  Only useful together with
	   ‘SECURETRANS’.

     CERTFILE (string, default=empty)
	   Path to your SSL certificate file.

     SECURE (boolean, default=commented)
	   Change this entry to ‘INSECURE’ to use plain text SMTP login over
	   an insecure connection.  You have to rename this variable manually
	   to prevent that you send your password accidentally over an inse‐
	   cure connection.

     DEFER (boolean, default=commented)
	   Uncomment if you want that dma defers your mail.  You have to flush
	   your mail queue manually with the -q option.	 This option is handy
	   if you are behind a dialup line.

     FULLBOUNCE (boolean, default=commented)
	   Uncomment if you want the bounce message to include the complete
	   original message, not just the headers.

     MAILNAME (string, default=empty)
	   The name to be used when introducing this host, if different from
	   the result of hostname(1).  If specified, this option overrides
	   ‘MAILNAMEFILE’.

     MAILNAMEFILE (string, default=empty)
	   The name of the file to read the ‘MAILNAME’ from.

   virtusertable
     The virtusertable file specifies a virtual user table.  Each line has the
     format “localuser:mail-address”.  Some smarthosts do not accept mails
     from unresolvable email address (e.g. user@localhost) so you have to re‐
     write your outgoing email address to a valid address.

SEE ALSO
     mailaddr(7), mailwrapper(8), sendmail(8)

     J. B. Postel, Simple Mail Transfer Protocol, RFC 821.

     J. Myers, SMTP Service Extension for Authentication, RFC 2554.

     P. Hoffman, SMTP Service Extension for Secure SMTP over TLS, RFC 2487.

HISTORY
     The dma utility first appeared in DragonFly 1.11.

AUTHORS
     dma was written by Matthias Schmidt ⟨matthias@dragonflybsd.org⟩ and
     Simon Schubert ⟨corecode@dragonflybsd.org⟩.

BSD			      September 17, 2010			   BSD
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