here is cron job setting
0,15,30,45 * * * * php /var/www/mautic/bin/console mautic:segment:update --batch-limit=10000
5,20,35,50 * * * * php /var/www/mautic/bin/console mautic:campaigns:update --batch-limit=10000
10,25,40,55 * * * * php /var/www/mautic/bin/console mautic:campaigns:trigger
10,25,40,55 * * * * php /var/www/mautic/bin/console mautic:messages:send --batch-limit=10000
0,15,30,45 * * * * php /var/www/mautic/bin/console mautic:emails:send