DNS & SMTP Configuration Assistance Needed

Job ID: 37579828

Budget: $10 – $30 USD

1)in our server smpt is there we are using application in that we put gmail email not going out from server as the dns in couldfare are wrong but application is sending email
a) need to do propersetup and see top-notch security measures like DNSSEC, DMARC, DKIM, and SPF records etc


2)some time *port 2053 is missing after restarting we are adding manually -- netstat -tln


3)ip tables status *dead* after reboot every time we are activating -- systemctl start iptables

need to work in remote anydesk due to security reason
Related categories: System Admin Linux Web Security DNS Internet Security