Sorry my delay. I'm a newbie. I reinstall all 3 times and none of them worked.
My footerprints:
0-Change MYDOMAIN.COM NAMESERVERS to NS1.CENTOS-WEBPANEL.COM and NS2.CENTOS-WEBPANEL.COM
1-change hostname for MYDOMAIN.COM
2-install cwp-el7-latest
3-Enable Firewall (IP:2030/admin/index.php?module=firewall)
5-Verify rDNS/PTR and Hostname (IP:2030/2030/index.php?module=change_hostname)
6-Create MYDOMAIN.COM in "Free DNS Manager"
7-I wait 8 or 12 hours for DNS propagation
8-create NEW ACCOUNT for MYDOMAIN.COM with AutoSSL checked (IP:2030/admin/index.php?module=new_account)
9-Enable DKIM (IP:2030/admin/index.php?module=dkim)
10-Copy DKIM key to "Free DNS Manager"
11-Create sPDIF in "Free DNS Manager"
12-Create _dmarc in "Free DNS Manager"
13-Check SLL (
https://www.sslshopper.com/ssl-checker.html?hostname=MYDOMAIN.COM)
14-Create email (IP:2082/iddircom/?module=email_accounts)
15-Configure email in Outlook
What's wrong??? snifff