masqmail
view man/masqmail.conf.5 @ 358:92340177150d
Eventually switched the default group from `trusted' to `mail'
All systems I run have a group `mail' but no group `trusted'.
Also changed the uid/gid to the common values 8/12.
| author | markus schnalke <meillo@marmaro.de> |
|---|---|
| date | Sun, 04 Sep 2011 12:19:41 +0200 |
| parents | 1ca9bc4c6552 |
| children | 3f923f97563b |
line source
1 .TH masqmail.conf 5 2011-08-27 masqmail-0.3.3 "File Formats"
3 .SH NAME
4 masqmail.conf \- masqmail configuration file
7 .SH DESCRIPTION
9 This man page describes the syntax of the main configuration file of masqmail.
10 Its usual location is \fI/etc/masqmail/masqmail.conf\fR
12 The configuration consists of lines of the form
14 \fBval\fR = \fIexpression\fR
16 Where \fBval\fR is a variable name and \fIexpression\fR a string,
17 which can be quoted with double quotes `"'.
18 If the expression is on multiple lines or contains characters other than letters,
19 digits or the characters `.', `-', `_', `/', ';', '@', ':', it must be quoted.
20 You can use quotes inside quotes by escaping them with a backslash.
22 Each \fBval\fP has a type, which can be boolean, numeric, string or list.
23 A boolean variable can be set with one of the values `on', `yes', and `true' or `off', `no' and `false'.
24 List items are separated with semicolons `;'.
25 For some values, patterns (like `*',`?') can be used.
26 The spaces in front of and after the equal sign `=' are optional.
28 Most lists (exceptions: \fBlocal_hosts\fR, \fBlisten_addresses\fR,
29 \fBquery_routes.\fIname\fR and \fBpermanent_routes\fR) accept files.
30 These will be recognized by a leading slash `/'.
31 The contents of these files will be included at the position of the file name,
32 there can be items or other files before and after the file entry.
33 The format of the files is different though, within these files each entry is on another line
34 and the entries are not separated by semicolons.
35 This makes it easy to include large lists which are common in different configuration files,
36 so they do not have to appear in every configuration file.
38 Blank lines and lines starting with a hash `#' are ignored.
41 .SH OPTIONS
43 .TP
44 \fBrun_as_user = \fIboolean\fR
46 If this is set, masqmail runs with the user id of the user who invoked it and never changes it.
47 This is for debugging purposes only.
48 If the user is not root, masqmail will not be able to listen on a port < 1024
49 and will not be able to deliver local mail to others than the user.
51 .TP
52 \fBuse_syslog = \fIboolean\fR
54 If this is set, masqmail uses syslogd for logging.
55 It uses facility MAIL.
56 You still have to set \fBlog_dir\fR for debug files.
58 .TP
59 \fBdebug_level = \fIn\fR
61 Set the debug level.
62 Valid values are 0 to 6 and 9.
63 Be careful if you set this as high as 5 or higher,
64 the logs may very soon fill your hard drive.
65 Level 9 enables printing of debug messages to stderr during reading of
66 the config file.
67 The debug file comes available for the first time after this step.
68 Thus nothing but stderr is available.
69 Level 9 is almost never interesting.
71 .TP
72 \fBlog_dir = \fIfile\fR
74 The directory where logs are stored, if syslog is not used.
75 Debug files are always stored in this directory if debugging is enabled.
76 \fIfile\fR must be an absolute path.
78 Default: \fI/var/log/masqmail\fR
80 .TP
81 \fBmail_dir = \fIfile\fR
83 The directory where local mail is stored, usually \fI/var/spool/mail\fR or \fI/var/mail\fR.
84 \fIfile\fR must be an absolute path.
86 Default: \fI/var/mail\fR
88 .TP
89 \fBspool_dir = \fIfile\fR
91 The directory where masqmail stores its spool files (and later also other stuff).
92 It must have a subdirectory \fIinput\fR.
93 Masqmail needs read and write permissions for this directory.
94 \fIfile\fR must be an absolute path.
96 Default: \fI/var/spool/masqmail\fR
98 .TP
99 \fBlock_dir = \fIfile\fR
101 The directory where masqmail stores its lock files.
102 Masqmail needs read and write permissions for this directory.
103 By default it is a directory ``lock'' inside of \fIspool_dir\fP.
104 \fIfile\fR must be an absolute path.
106 .TP
107 \fBhost_name = \fIstring\fR
109 This is used in different places: Masqmail identifies itself in the greeting banner
110 on incoming connections and in the HELO/EHLO command for outgoing connections with this name,
111 it is used in the Received: header and to qualify the sender of a locally originating message.
113 If the string begins with a slash `/', it it assumed that it is a filename,
114 and the first line of this file will be used.
115 Usually this will be `/etc/mailname' to make masqmail conform to Debian policies.
117 It is not used to find whether an address is local. Use \fBlocal_hosts\fR for that.
119 Default: none; \fBhost_name\fP MUST be set in the config file
121 .TP
122 \fBlocal_hosts = \fIlist\fR
124 A semicolon `;' separated list of hostnames which are considered local.
125 Normally you should set it to "localhost;foo;foo.bar.com" if your host has the
126 fully qualified domain name `foo.bar.com'.
128 Default: localhost ; <value of \fBhost_name\fR cut at the first dot> ; <value of \fBhost_name\fR>
130 Example: \fIlocalhost;foo;foo.example.org\fR
131 (if you have set \fBhost_name\fR to \fIfoo.example.org\fR)
133 .TP
134 \fBlocal_addresses = \fIlist\fR
136 A semicolon `;' separated list of fully qualified email-addresses which are
137 considered local although their domain name part is not in the list of \fBlocal_hosts\fR.
138 This list can be seen as an addition to \fBlocal_hosts\fP.
140 Further more only the local part of the addresses will be regarded,
141 seeing it as a local user.
143 Example: \fIlocal_addresses = "person1@yourdomain;person2@yourdomain"\fP
145 This means mail to person1@yourdomain will effectively go to
146 person1@localhost, if not redirected by an alias.
148 .TP
149 \fBnot_local_addresses = \fIlist\fR
151 A semicolon `;' separated list of fully qualified email-addresses which are
152 considered not local although their domain name part is in the list of \fBlocal_hosts\fR.
153 This list can be seen as a substraction to \fBlocal_hosts\fP.
155 This is the opposite of the previous case.
156 The majority of addresses of a specific domain are local.
157 But some users are not.
158 With this option you can easily exclude these users.
160 Example:
162 local_hosts = "localhost;myhost;mydomain.net"
164 not_local_addresses = "eric@mydomain.net"
166 .TP
167 \fBlisten_addresses = \fIlist\fR
169 A semicolon `;' separated list of interfaces on which connections will be accepted.
170 An interface ist defined by a hostname, optionally followed by a colon `:' and a number for the port.
171 If this is left out, port 25 will be used.
173 You can set this to "localhost:25;foo:25" if your hostname is `foo'.
175 Note that the names are resolved to IP addresses.
176 If your host has different names which resolve to the same IP,
177 use only one of them, otherwise you will get an error message.
179 Default: \fIlocalhost:25\fR (i.e. only local processes can connect)
181 .TP
182 \fBdo_save_envelope_to = \fIboolean\fR
184 If this is set to true, a possibly existing Envelope-to: header in an incoming mail
185 which is received via either pop3 or smtp will be saved as an X-Orig-Envelope-to: header.
187 This is useful if you retrieve mail from a pop3 server with fetchmail,
188 and the server supports Envelope-to: headers,
189 and you want to make use of those with a mail filtering tool, e.g. procmail.
190 It cannot be preserved because masqmail sets such a header by itself.
192 Default is false.
194 .TP
195 \fBdo_relay = \fIboolean\fR
197 If this is set to false, mail with a return path that is not local and a destination
198 that is also not local will not be accepted via smtp and a 550 reply will be given.
199 Default is true.
201 Note that this will not protect you from spammers using open relays,
202 but from users unable to set their address in their mail clients.
204 .TP
205 \fBdo_queue = \fIboolean\fR
207 If this is set, masqmail will not try to deliver mail immediately when accepted.
208 Instead it will always queue it.
209 (Note: Masqmail will always automatically queue mail if neccesary,
210 i.e. if it cannot deliver because no suitable route was available for example.)
212 Same as calling masqmail with the \fB\-odq\fR option.
213 Usually you should leave this option unset.
215 Default: false
217 .TP
218 \fBpermanent_routes\fR = \fIlist\fR
220 Set this to the filename (or a semicolon-separated list of filenames)
221 of the route configuration for always available connections.
222 Main purpose is to define a mail server with mail_host in your local network,
223 or if masqmail should send mail directly to the target host.
224 If you have only a single host, you can leave it unset.
226 A setting `\fBlocal_nets\fR = \fI"*home.net"\fR' in versions <= 0.3.3
227 is in newer versions configured as:
228 `\fBpermanent_routes\fR = \fI"/etc/masqmail/homenet.route"\fR'
229 and the route file `homenet.route' containing:
230 .in +1in
231 .nf
232 allowed_recipients = "*@*home.net"
233 connect_error_fail = true
234 resolve_list = byname
235 .fi
236 .in 0
237 This is just as it had been with \fBlocal_net_route\fP,
238 with the exception that the filtering for appropriate addresses
239 is only in the route file and not with \fBlocal_nets\fR.
241 .TP
242 \fBquery_routes.\fIname\fR = \fIlist\fR
244 Replace \fIname\fR with a name to identify the connection.
245 Set this to a filename (or a semicolon-separated list of filenames)
246 for the route configuration for that connection.
248 Routes of this kind cannot be expected to be online always.
249 Masqmail will query which of the routes are online.
251 You can use the name to call masqmail with the \fB\-qo\fR option every time a
252 connection to your ISP is set up, in order to send queued mail through this
253 route.
255 Example: Your ISP has the name FastNet.
256 Then you write the following line in the main configuration:
258 \fBquery_routes.\fBFastNet\fR = \fI"/etc/masqmail/fastnet.route"\fR
260 \fI/etc/masqmail/fastnet.route\fR is the route configuration file,
261 see \fBmasqmail.route(5)\fR.
262 As soon as a link to FastNet has been set up,
263 you call `masqmail \fB\-qo \fIFastNet\fR'.
264 Masqmail will then read the specified file and send the mails.
266 See \fBonline_query\fP.
268 .TP
269 \fBalias_file = \fIfile\fR
271 Set this to the location of your alias file.
272 If not set, no aliasing will be done.
274 Default: <not set> (i.e. no aliasing is done)
276 .TP
277 \fBcaseless_matching = \fIboolean\fR
279 If this is set, aliasing and the matching for \fBlocal_addresses\fP and
280 \fBnot_local_addresses\fP will be done caseless.
282 Note: Be sure to change this option only if the queue is empty as
283 correct processing of queued messages is not guaranteed otherwise.
285 Default: false
287 .TP
288 \fBpipe_fromline = \fIboolean\fR
290 If this is set, a from line will be prepended to the output stream whenever
291 a pipe command is called after an alias expansion.
292 Default is false.
294 .TP
295 \fBpipe_fromhack = \fIboolean\fR
297 If this is set, each line beginning with `From ' is replaced with `>From '
298 whenever a pipe command is called after an alias expansion.
299 You probably want this if you have set \fBpipe_fromline\fR above.
300 Default is false.
302 .TP
303 \fBmbox_default = \fIstring\fR
305 The default local delivery method.
306 Can be mbox or mda.
307 You can override this for each user by using the \fBmbox_users\fR or \fBmda_users\fR (see below).
309 Default: mbox.
311 .TP
312 \fBmbox_users = \fIlist\fR
314 A list of users which wish delivery to an mbox style mail folder.
316 .TP
317 \fBmda_users = \fIlist\fR
319 A list of users which wish local delivery to an mda.
320 You have to set \fBmda\fR (see below) as well.
322 .TP
323 \fBmda = \fIexpand string\fR
325 If you want local delivery to be transferred to an mda (Mail Delivery Agent),
326 set this to a command.
327 The argument will be expanded on delivery time,
328 you can use variables beginning with a dolloar sign `$', optionally enclosed in curly braces.
329 Variables you can use are:
331 uid - the unique message id.
332 This is not necessarily identical with the Message ID as given in the Message ID: header.
334 received_host - the host the mail was received from
336 ident - the ident, this is either the ident delivered by the ident protocol
337 or the user id of the sender if the message was received locally.
339 return_path_local - the local part of the return path (sender).
341 return_path_domain - the domain part of the return path (sender).
343 return_path - the complete return path (sender).
345 rcpt_local - the local part of the recipient.
347 rcpt_domain - the domain part of the recipient.
349 rcpt - the complete recipient address.
351 Example:
353 mda="/usr/bin/procmail \-Y \-d ${rcpt_local}"
355 For the mda, as for pipe commands, a few environment variables will be set as well.
356 See \fBmasqmail(8)\fR.
357 To use environment variables for the mda, the dollar sign `$' has to be escaped with a backslash,
358 otherwise they will be tried to be expanded with the internal variables.
360 .TP
361 \fBmda_fromline = \fIboolean\fR
363 If this is set, a from line will be prepended to the output stream whenever
364 a message is delivered to an mda.
365 Default is false.
367 .TP
368 \fBmda_fromhack = \fIboolean\fR
370 If this is set, each line beginning with `From ' is replaced with `>From '
371 whenever a message is delivered to an mda.
372 You probably want this if you have set \fBmda_fromline\fR above.
373 Default is false.
375 .TP
376 \fBonline_query = \fIcommand line\fR
378 Defines the method masqmail uses to detect whether there exists an online connection currently.
380 Masqmail executes the command given and reads from its standard output.
381 The command should just print a route name, as defined
382 with \fBquery_routes.\fIname\fR, to standard output and return a zero status code.
383 Masqmail assumes it is offline if the script returns with a non-zero status.
384 Leading and trailing whitespace is removed from the output.
386 Simple example:
388 .nf
389 #!/bin/sh
390 test \-e /var/run/masqmail/masqmail-route || exit 1
391 cat /var/run/masqmail/masqmail-route
392 exit 0
393 .fi
395 No matter how masqmail detects the online status,
396 only messages that are accepted at online time will be delivered using the connection.
397 The mail spool still needs to be emptied manually
398 (\fB\-qo\fIconnection\fR).
400 \fIcommand line\fR must start with an absolute path to an executable program.
401 It can contain optional arguments.
403 To simulate the old online_method=file, use:
404 \fI/bin/cat /path/to/file\fP
406 To be always online with connection `foo', use:
407 \fI/bin/echo foo\fP
409 To query a masqdialer server
410 (i.e. asking it whether a connection exists and what its name is)
411 use:
412 \fI/usr/bin/mservdetect localhost 224\fP
415 .TP
416 \fBident_trusted_nets = \fIlist\fR
418 \fIlist\fR is a list of networks of the form a.b.c.d/e (e.g. 192.168.1.0/24),
419 from which the ident given by the ident protocol will be trusted,
420 so a user can delete his mail from the queue if the ident is identical to his login name.
422 .TP
423 \fBerrmsg_file = \fIfile\fR
425 Set this to a template which will be used to generate delivery failure reports.
426 Variable parts within the template begin with a dollar sign and are identical
427 to those which can be used as arguments for the mda command, see \fBmda\fR above.
428 Additional information can be included with @failed_rcpts, @msg_headers and @msg_body,
429 these must be at the beginning of a line and will be replaced with the list of the failed recipients,
430 the message headers and the message body of the failed message.
432 Default is /usr/share/masqmail/tpl/failmsg.tpl.
434 .TP
435 \fBwarnmsg_file = \fIfile\fR
437 Set this to a template which will be used to generate delivery warning reports.
438 It uses the same mechanisms for variables as \fBerrmsg_file\fR, see above.
440 Default is /usr/share/masqmail/tpl/warnmsg.tpl.
442 .TP
443 \fBwarn_intervals\fR = \fIlist\fR
445 Set this to a list of time intervals, at which delivery warnings
446 (starting with the receiving time of the message) shall be generated.
448 A warning will only be generated just after an attempt to deliver the mail
449 and if that attempt failed temporarily.
450 So a warning may be generated after a longer time, if there was no attempt before.
452 Default is "1h;4h;8h;1d;2d;3d"
454 .TP
455 \fBmax_defer_time\fR = \fItime\fR
457 This is the maximum time, in which a temporarily failed mail will be kept in the spool.
458 When this time is exceeded, it will be handled as a delivery failure,
459 and the message will be bounced.
461 The excedence of this time will only be noticed if the message was actually tried to be delivered.
462 If, for example, the message can only be delivered when online,
463 but you have not been online for that time, no bounce will be generated.
465 Default is 4d (4 days)
467 .TP
468 \fBlog_user = \fIname\fR
470 Replace \fIname\fR with a valid local or remote mail address.
472 If this option is set, then a copy of every mail,
473 that passes through the masqmail system will also be sent to the given mail address.
475 For example you can feed your mails into a program like hypermail
476 for archiving purpose by placing an appropriate pipe command in masqmail.alias
478 .TP
479 \fBmax_msg_size\fR = \fIbytes\fR
481 This option sets the maximum size in bytes masqmail will accept for delivery.
482 This value is advertised to the SMTP client by the `SIZE' message during SMTP
483 session setup.
484 Clients pretending to send, or actually send,
485 more than \fIbytes\fR will get a 552 error message.
487 `0' means no fixed maximum size limit is in force.
489 Default is 0 (= unlimited).
491 .TP
492 \fBdefer_all\fR = \fIboolean\fR
494 If set to true, masqmail replies with ``421 service temporarily unavailable''
495 to any SMTP request and shuts the connection down.
496 Note: This option is for debugging purposes only.
498 Default: false
501 .SH AUTHOR
503 Masqmail was written by Oliver Kurth.
504 It is now maintained by Markus Schnalke <meillo@marmaro.de>.
506 You will find the newest version of masqmail at \fBhttp://marmaro.de/prog/masqmail/\fR.
507 There is also a mailing list, you will find information about it at masqmail's main site.
510 .SH BUGS
512 Please report bugs to the mailing list.
515 .SH SEE ALSO
517 \fBmasqmail(8)\fR, \fBmasqmail.route(5)\fR