Error fatal: bind 0.0.0.0 (Postfix+Dovecot+MariaDB) Ubuntu 16.04?

Question

linux

Server on Ubuntu 16.01 LTS,
Postfix, Dovecot, MariaDB, users are stored in the
database

spoiler

syslog


pr  5 14:51:09 Ubuntu-1604-xenial-64-minimal postfix/smtps/smtpd[10572]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory
Apr  5 14:51:09 Ubuntu-1604-xenial-64-minimal postfix/submission/smtpd[10573]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
Apr  5 14:51:09 Ubuntu-1604-xenial-64-minimal postfix/smtpd[10571]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
Apr  5 14:51:10 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: process /usr/lib/postfix/sbin/smtpd pid 10572 exit status 1
Apr  5 14:51:10 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
Apr  5 14:51:10 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: process /usr/lib/postfix/sbin/smtpd pid 10573 exit status 1
Apr  5 14:51:10 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
Apr  5 14:51:10 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: process /usr/lib/postfix/sbin/smtpd pid 10571 exit status 1
Apr  5 14:51:10 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
Apr  5 14:51:16 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: master_wakeup_timer_event: service pickup(public/pickup): No such file or directory

.....
mail.log

Apr  5 14:51:16 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: master_wakeup_timer_event: service pickup(public/pickup): No such file or directory
Apr  5 14:52:10 Ubuntu-1604-xenial-64-minimal postfix/smtpd[10596]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
Apr  5 14:52:10 Ubuntu-1604-xenial-64-minimal postfix/submission/smtpd[10595]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
Apr  5 14:52:10 Ubuntu-1604-xenial-64-minimal postfix/smtps/smtpd[10594]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory
Apr  5 14:52:11 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: process /usr/lib/postfix/sbin/smtpd pid 10596 exit status 1
Apr  5 14:52:11 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
Apr  5 14:52:11 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: process /usr/lib/postfix/sbin/smtpd pid 10595 exit status 1
Apr  5 14:52:11 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling
Apr  5 14:52:11 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: process /usr/lib/postfix/sbin/smtpd pid 10594 exit status 1
Apr  5 14:52:11 Ubuntu-1604-xenial-64-minimal postfix/master[17069]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling



.......................

mail.err


Apr  5 14:48:02 Ubuntu-1604-xenial-64-minimal postfix/master[10506]: fatal: bind 0.0.0.0 port 25: Address already in use
Apr  5 14:48:06 Ubuntu-1604-xenial-64-minimal postfix/smtps/smtpd[10507]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory
Apr  5 14:48:06 Ubuntu-1604-xenial-64-minimal postfix/smtpd[10509]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
Apr  5 14:48:06 Ubuntu-1604-xenial-64-minimal postfix/submission/smtpd[10508]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
Apr  5 14:49:07 Ubuntu-1604-xenial-64-minimal postfix/smtpd[10530]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
Apr  5 14:49:07 Ubuntu-1604-xenial-64-minimal postfix/smtps/smtpd[10529]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory
Apr  5 14:49:07 Ubuntu-1604-xenial-64-minimal postfix/submission/smtpd[10531]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
Apr  5 14:49:37 Ubuntu-1604-xenial-64-minimal dovecot: imap-login: Error: SSL: Stacked error: error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca: SSL alert number 48
Apr  5 14:50:08 Ubuntu-1604-xenial-64-minimal postfix/smtpd[10551]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
Apr  5 14:50:08 Ubuntu-1604-xenial-64-minimal postfix/submission/smtpd[10553]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
Apr  5 14:50:08 Ubuntu-1604-xenial-64-minimal postfix/smtps/smtpd[10552]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory
Apr  5 14:51:09 Ubuntu-1604-xenial-64-minimal postfix/smtps/smtpd[10572]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory
Apr  5 14:51:09 Ubuntu-1604-xenial-64-minimal postfix/submission/smtpd[10573]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
Apr  5 14:51:09 Ubuntu-1604-xenial-64-minimal postfix/smtpd[10571]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
Apr  5 14:52:10 Ubuntu-1604-xenial-64-minimal postfix/smtpd[10596]: fatal: open lock file pid/inet.smtp: cannot create file exclusively: No such file or directory
Apr  5 14:52:10 Ubuntu-1604-xenial-64-minimal postfix/submission/smtpd[10595]: fatal: open lock file pid/inet.submission: cannot create file exclusively: No such file or directory
Apr  5 14:52:10 Ubuntu-1604-xenial-64-minimal postfix/smtps/smtpd[10594]: fatal: open lock file pid/inet.smtps: cannot create file exclusively: No such file or directory

Answer 1

Check the directories where your pids are created