SMTP server work in cyberpanel but not work in my forum settings

Hello every body, i have installed CyberPanel recently all works fine, i can recevie and send emails via snappy mail, also when i set SMTP for my website setting in CyberPanel it show connected and no problems, but if i set smtp settings in my forum the test mail faild, but if i set to PHP methid ( Uses your local server to send emails ) then it work wihtout problems anyone have i dea why SMTP not working in the forum script??

cyber screen shot

is this your domain

Thank you for your replay, yes but i currently trying to reinstall the cyberpanel on other hosting i’ll feedback you here

Hello, as i understanding if use php mailer in same smtp server machine then the php maile will use it automaticly and not needed to setup smtp settings in invision community.