HELP:Mail Server Not work On Cyberpanel Fresh Install

Hello, Team

Im Install Cyberpanel Today And Setup DNS Records And Setup Websites. Im Testing Send And Recieved E-Mail On my New Email Account On The Server But Not send Or Recieved Any Message.

DNS Records:

SSL It`s Setup And Active.

Please I need quick help
Thank u

nc 25
220 ESMTP Postfix
HELO hostname

seems fine