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Need help with mail server please

I have to get mail to my server but I also need to allow the mail to come in from certain IP addresses such as 54.191.214.3  54.149.210.130. 25 or so to type in. Am I adding these from "Network Definitions" "Group" "????" "????"  please give me some help thanks. I will also need help with S - D NAT afterwards.

I am adding through 
Network Definition
Host
IP 123.456.789
Then adding the domain in DNS with reverse lookup on
pmta1.delivery10.ore.mailhop.org

Let me know if this is correct please.


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Parents
  • Create a network object of type "Host" for every IP. Then create a network group and put all those created hosts in it.

    Now go to Email Protection -> SMTP -> Relaying and put this group in "Upstream Hosts/Networks".

    Und "Host based relay" you put your internal mail server.

    ----------
    Sophos user, admin and reseller.
    Private Setup:

    • XG: HPE DL20 Gen9 (Core i3-7300, 8GB RAM, 120GB SSD) | XG 18.0 (Home License) with: Web Protection, Site-to-Site-VPN (IPSec, RED-Tunnel), Remote Access (SSL, HTML5)
    • UTM: 2 vCPUs, 2GB RAM, 50GB vHDD, 2 vNICs on vServer (KVM) | UTM 9.7 (Home License) with: Email Protection, Webserver Protection, RED-Tunnel (server)
Reply
  • Create a network object of type "Host" for every IP. Then create a network group and put all those created hosts in it.

    Now go to Email Protection -> SMTP -> Relaying and put this group in "Upstream Hosts/Networks".

    Und "Host based relay" you put your internal mail server.

    ----------
    Sophos user, admin and reseller.
    Private Setup:

    • XG: HPE DL20 Gen9 (Core i3-7300, 8GB RAM, 120GB SSD) | XG 18.0 (Home License) with: Web Protection, Site-to-Site-VPN (IPSec, RED-Tunnel), Remote Access (SSL, HTML5)
    • UTM: 2 vCPUs, 2GB RAM, 50GB vHDD, 2 vNICs on vServer (KVM) | UTM 9.7 (Home License) with: Email Protection, Webserver Protection, RED-Tunnel (server)
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