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LMTPD(8) System Administration Utilities LMTPD(8)


lmtpd - local mail transfer protocol daemon.


lmtpd [OPTION...]


GNU lmtpd -- local mail transfer protocol daemon.
General options
-d, --daemon[=NUMBER]
runs in daemon mode with a maximum of NUMBER children
remain in foreground
-i, --[no-]inetd
run in inetd mode
log to standard error
enable session transcript
Global debugging settings
set Mailutils debugging level

--[no-]debug-line-info show source info with debugging messages

output logs to syslog FACILITY
-M, --mailer=MAILER
use specified URL as the default mailer
Sieve options
clear Sieve include path
--clear-library-path, --clearpath
clear Sieve library path
-I, --includedir=DIR
append DIR to the list of directories searched for include files
-L, --libdir=DIR
append DIR to the list of directories searched for library files
add DIR to the beginning of the list of directories searched for library files
Delivery options
-f, -r, --from=EMAIL
specify the sender's name
Scripting options
-l, --language=STRING
define scripting language for the next --script option
use this header to identify messages when logging Sieve actions
-s, --script=PATTERN
set name pattern for user-defined mail filter
-x, --script-debug=FLAGS
enable script debugging; FLAGS are: g - guile stack traces t - sieve trace (MU_SIEVE_DEBUG_TRACE) i - sieve instructions trace (MU_SIEVE_DEBUG_INSTR) l - sieve action logs
Configuration handling
load this configuration file; implies --no-config
check configuration file syntax and exit
verbosely log parsing of the configuration files
do not load site and user configuration files
do not load site-wide configuration file
do not load user configuration file
set configuration parameter
Informational options
show configuration file summary
show compilation options
-?, --help
give this help list
give a short usage message
-V, --version
print program version

Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.


Report bugs to <>.
GNU Mailutils home page: <>
General help using GNU software: <>


Copyright © 2007-2019 Free Software Foundation, inc. License GPLv3+: GNU GPL version 3 or later <>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.


The complete GNU mailutils documentation is maintained as a Texinfo manual. If the mailutils-doc package is installed, the command
info mailutils

should give you access to the complete manual.
You can also find this manual online in the GNU mailutils webpage:
Please note this manpage was automatically generated by the Debian mailutils packagers. Do not file bugs for its content to the GNU Mailutils upstream authors.

June 2020 FSF