==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release):
- Deployed with iRedMail Easy or the downloadable installer?
- Linux/BSD distribution name and version: freebsd
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): ldap
- Web server (Apache or Nginx):nginx
- Manage mail accounts with iRedAdmin-Pro? no
[IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Every evening, this happens:
$ tail -500 /var/log/messages | grep 'SIGHUP rec'
Jun  6 19:00:04 cha dovecot[1386]: master: Warning: SIGHUP received - reloading configuration
Jun  7 19:00:04 cha dovecot[1386]: master: Warning: SIGHUP received - reloading configuration
Jun  8 19:00:04 cha dovecot[1386]: master: Warning: SIGHUP received - reloading configuration
Jun  9 19:00:04 cha dovecot[1386]: master: Warning: SIGHUP received - reloading configuration
Jun 10 19:00:04 cha dovecot[1386]: master: Warning: SIGHUP received - reloading configuration
Jun 11 19:00:04 cha dovecot[1386]: master: Warning: SIGHUP received - reloading configuration
Jun 12 19:00:04 cha dovecot[1386]: master: Warning: SIGHUP received - reloading configuration
Jun 12 19:00:10 cha dovecot[1386]: master: Warning: Sent SIGTERM to 1 stats processes
Jun 12 19:00:10 cha dovecot[1386]: master: Warning: Sent SIGTERM to 2 imap processes
Jun 12 19:00:10 cha dovecot[1386]: master: Warning: Sent SIGTERM to 2 imap-login processes
Jun 12 19:00:10 cha dovecot[1386]: master: Warning: Sent SIGTERM to 1 config processes
Jun 12 19:00:10 cha dovecot[1386]: master: Warning: Processes aren't dying after reload, sent SIGTERM to 6 processes.
Jun 12 19:00:10 cha dovecot[83979]: stats: Warning: Killed with signal 15 (by pid=1386 uid=0 code=kill)

Everything restarts again, except php-fpm, which has this message:
$ sudo service php-fpm start
Another FPM instance seems to already listen on /var/run/php-fpm.sock

I'm wondering if there's something to worry over.
Thanks.