Configured Dovecot to log into its own logfile

setup/mail-dovecot.sh

@@ -38,7 +38,26 @@ apt_install \
 # would be 20 users). Set it to 250 times the number of cores this
 # machine has, so on a two-core machine that's 500 processes/100 users).
 tools/editconf.py /etc/dovecot/conf.d/10-master.conf \
-	default_process_limit=$(echo "`nproc` * 250" | bc)
+	default_process_limit=$(echo "`nproc` * 250" | bc) \
+	log_path = /var/log/dovecot.log
+
+# Add logrotate entry for dovecot
+cat > /etc/dovecot/conf.d/90-plugin-fts.conf << EOF;
+/var/log/dovecot*.log {
+  missingok
+  notifempty
+  delaycompress
+  sharedscripts
+  postrotate
+      doveadm log reopen
+  endscript
+}
+EOF
+
+# Create base log files and set permissions
+touch /var/log/dovecot.log
+chown syslog:adm /var/log/dovecot.log
+chmod 640 /var/log/dovecot.log
 
 # The inotify `max_user_instances` default is 128, which constrains
 # the total number of watched (IMAP IDLE push) folders by open connections.