MTA (Mail Transfer Agent)
sendmail.cf
sendmail_enable="YES"
service sendmail status sendmail is running as pid 42754. sendmail_msp_queue is running as pid 42767.
mqueue
sudo mailq /var/spool/mqueue (1 request)
MSP (Mail Submission Program)
submit.cf
sendmail_enable="NO"
だと MSP のみ
service sendmail status sendmail_submit is running as pid 4315. sendmail_msp_queue is running as pid 4329.
clientmqueue
sudo mailq -Ac
/var/spool/clientmqueue is empty
Total requests: 0
-Ac Show the mail submission queue specified in /etc/mail/submit.cf
instead of the MTA queue specified in /etc/mail/sendmail.cf.
sendmail_enable
These variables are used to determine how the sendmail(8) daemons are
started:
# MTA
if (${sendmail_enable} == NONE)
# Do nothing
else if (${sendmail_enable} == YES)
start sendmail with ${sendmail_flags}
else if (${sendmail_submit_enable} == YES)
start sendmail with ${sendmail_submit_flags}
else if (${sendmail_outbound_enable} == YES)
start sendmail with ${sendmail_outbound_flags}
endif
# MSP Queue Runner
if (${sendmail_enable} != NONE &&
[ -r /etc/mail/submit.cf] &&
${sendmail_msp_queue_enable} == YES)
start sendmail with ${sendmail_msp_queue_flags}
endif
