xref: /dragonfly/libexec/dma/dma.8 (revision 19fe1c42) 
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32.\" $DragonFly: src/libexec/dma/dma.8,v 1.10 2008/09/06 14:17:56 swildner Exp $
33.\"
34.Dd September 2, 2008
35.Dt DMA 8
36.Os
37.Sh NAME
38.Nm dma
39.Nd DragonFly Mail Agent
40.Sh SYNOPSIS
41.Nm
42.Op Fl DiOq
43.Op Fl A Ar mode
44.Op Fl b Ar mode
45.Op Fl f Ar sender
46.Op Fl L Ar tag
47.Op Fl o Ar option
48.Op Fl r Ar sender
49.Op Ar recipient ...
50.Sh DESCRIPTION
51.Nm
52is a small Mail Transport Agent (MTA), designed for home and office use.
53It accepts mails from locally installed Mail User Agents (MUA) and
54delivers the mails either locally or to a remote destination.
55Remote delivery includes several features like TLS/SSL support and SMTP
56authentication.
57.Pp
58.Nm
59is not intended as a replacement for real, big MTAs like
60.Xr sendmail 8
61or
62.Xr postfix 1 .
63Consequently,
64.Nm
65does not listen on port 25 for incoming connections.
66.Pp
67The options are as follows:
68.Bl -tag -width indent
69.It Fl A Ar mode
70.Fl A Ns Ar c
71acts as a compatibility option for sendmail.
72.It Fl b Ar mode
73Specifying
74.Fl b Ns Ar p
75will list all mails currently stored in the mail queue.
76All other modes are are ignored.
77.It Fl D
78Don't run in the background.
79Useful for debugging.
80.It Fl f Ar sender
81Set sender address to
82.Ar sender .
83.It Fl i
84Ignore dots alone on lines by themselves in incoming messages.
85This should be set if you are reading data from a file.
86.It Fl L Ar tag
87Set the identifier used in syslog messages to the supplied
88.Ar tag .
89This is a compatibility option for sendmail.
90.It Fl O
91This is a compatibility option for sendmail.
92.It Fl o Ar option
93Specifying
94.Fl o Ns Ar i
95is synonymous to
96.Fl i .
97All other options are ignored.
98.It Fl q
99Process saved messages in the queue.
100.It Fl r Ar sender
101Same as
102.Fl f .
103.El
104.Sh CONFIGURATION
105.Nm
106can be configured with three config files:
107.Pp
108.Bl -bullet -compact
109.It
110auth.conf
111.It
112dma.conf
113.It
114virtusertable
115.El
116.Pp
117These three files are stored per default in
118.Pa /etc/dma .
119.Sh FILE FORMAT
120Every file contains parameters of the form
121.Sq name value .
122Lines containing boolean values are set to
123.Sq NO
124if the line is commented and to
125.Sq YES
126if the line is uncommented.
127Empty lines or lines beginning with a
128.Sq #
129are ignored.
130Parameter names and their values are case sensitive.
131.Sh PARAMETERS
132.Ss auth.conf
133SMTP authentication can be configured in
134.Pa auth.conf .
135Each line has the format
136.Dq Li user|smarthost:password .
137.Ss dma.conf
138Most of the behaviour of
139.Nm
140can be configured in
141.Pa dma.conf .
142.Bl -tag -width 4n
143.It Ic SMARTHOST Xo
144(string, default=empty)
145.Xc
146If you want to send outgoing mails via a smarthost, set this variable to
147your smarthosts address.
148.It Ic PORT Xo
149(numeric, default=25)
150.Xc
151Use this port to deliver remote emails.
152Only useful together with the
153.Sq SMARTHOST
154option, because
155.Nm
156will deliver all mails to this port, regardless of whether a smarthost is set
157or not.
158.It Ic ALIASES Xo
159(string, default=/etc/mail/aliases)
160.Xc
161Path to the local aliases file.
162Just stick with the default.
163.It Ic SPOOLDIR Xo
164(string, default=/var/spool/dma)
165.Xc
166Path to
167.Nm Ap s
168spool directory.
169Just stick with the default.
170.It Ic VIRTPATH Xo
171(string, default=/etc/dma/virtusertable)
172.Xc
173Path to the
174.Sq virtusertable
175file.
176.It Ic AUTHPATH Xo
177(string, default=/etc/dma/auth.conf)
178.Xc
179Path to the
180.Sq auth.conf
181file.
182.It Ic VIRTUAL Xo
183(boolean, default=commented)
184.Xc
185Comment if you want virtual user support.
186.It Ic SECURETRANS Xo
187(boolean, default=commented)
188.Xc
189Comment if you want TLS/SSL secured transfer.
190.It Ic STARTTLS Xo
191(boolean, default=commented)
192.Xc
193Comment if you want to use STARTTLS.
194Only useful together with
195.Sq SECURETRANS .
196.It Ic CERTFILE Xo
197(string, default=empty)
198.Xc
199Path to your SSL certificate file.
200.It Ic SECURE Xo
201(boolean, default=commented)
202.Xc
203Change this entry to
204.Sq INSECURE
205to use plain text SMTP login over an insecure connection.
206You have to rename this variable manually to prevent that you send your
207password accidentally over an insecure connection.
208.It Ic DEFER Xo
209(boolean, default=commented)
210.Xc
211Comment if you want that
212.Nm
213defers your mail.
214You have to flush your mail queue manually with the
215.Fl q
216option.
217This option is handy if you are behind a dialup line.
218.El
219.Ss virtusertable
220The
221.Pa virtusertable
222file specifies a virtual user table.
223Each line has the format
224.Dq Li localuser:mail-address .
225Some smarthosts do not accept mails from unresolvable email address
226(e.g.\& user@localhost) so you have to rewrite your outgoing email
227address to a valid address.
228.Sh SEE ALSO
229.Xr mailaddr 7 ,
230.Xr mailwrapper 8 ,
231.Xr sendmail 8
232.Rs
233.%A "J. B. Postel"
234.%T "Simple Mail Transfer Protocol"
235.%O RFC 821
236.Re
237.Rs
238.%A "J. Myers"
239.%T "SMTP Service Extension for Authentication"
240.%O RFC 2554
241.Re
242.Rs
243.%A "P. Hoffman"
244.%T "SMTP Service Extension for Secure SMTP over TLS"
245.%O RFC 2487
246.Re
247.Sh HISTORY
248The
249.Nm
250utility first appeared in
251.Dx 1.11 .
252.Sh AUTHORS
253.Nm
254was written by
255.An Matthias Schmidt Aq matthias@dragonflybsd.org
256and
257.An Simon Schubert Aq corecode@dragonflybsd.org .
258