.. cyrusman:: lmtpd(8)
LMTP server process
lmtpd [ -C config-file ] [ -U uses ] [ -T timeout ] [ -D ] [ -a ]
lmtpd is an LMTP server used to deliver mail to the IMAP mailstore. It accepts commands on its standard input and responds on its standard output. It MUST be invoked by :cyrusman:`master(8)` with those descriptors attached to a remote client connection.
lmtpd |default-conf-text|
.. program:: lmtpd
.. option:: -C config-file
|cli-dash-c-text|
.. option:: -U uses
The maximum number of times that the process should be used for new
connections before shutting down. The default is 250.
.. option:: -T timeout
The number of seconds that the process will wait for a new
connection before shutting down. Note that a value of 0 (zero)
will disable the timeout. The default is 60.
.. option:: -D
Run external debugger specified in debug_command.
.. option:: -a
Preauthorize connections initiated on an internet socket, instead
of requiring LMTP AUTH. This should only be used for connections
coming from trusted hosts.
lmtpd is commonly included in the SERVICES section of :cyrusman:`cyrus.conf(5)` like so:
SERVICES {
imap cmd="imapd -U 30" listen="imap" prefork=0
imaps cmd="imapd -s -U 30" listen="imaps" prefork=0 maxchild=100
lmtpunix cmd="lmtpd" listen="/var/run/cyrus/socket/lmtp" prefork=0 maxchild=20
sieve cmd="timsieved" listen="sieve" prefork=0
notify cmd="notifyd" listen="/var/run/cyrus/socket/notify" proto="udp" prefork=1
httpd cmd="httpd" listen=8080 prefork=1 maxchild=20
}
/etc/imapd.conf