SMTP Server problem (cannot send to Hotmail.com)

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    solo9300
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    #128038

    Hello all,
    I really don’t know where my problem is? However I cannot send email to hotmail form my SMTP other email services are ok send and receive. I am hosting and running almost every thing and here how things are setup:
    -DSL modem
    -Server 1
    -Server 2
    And they are connected by a switch
    DSL modem Settings:
    IP: 192.168.1.1 and the Internet IPAddress (62.xxx.xxx.xxx)
    Port Mapping: 192.168.1.2 Port 53 UDP DNS
    192.168.1.2 Port 53 TCP DNS
    192.168.1.2 Port 80 TCP HTTP
    192.168.1.3 Port 25 TCP SMTP
    Server 1 Sittings: (ws1)
    IP: 192.168.1.2
    DHCP Server
    IIS Server
    DNS Server
    Forward IP address 192.168.1.1
    Forward Lookup Zones
    MyDomain.com
    (A) Ns1.MyDomain.com Internet Public IP
    (A) Ns2.MyDomain.com Internet Public IP
    (A) Mail.MyDomain.com Internet Public IP
    (CNAME) www ====> ns1.MyDomain.com
    (Same as parent folder) (MX) mail.MyDomain.com
    (Same as parent folder) (NS) ns1.MyDomain.com
    (Same as parent folder) (NS) ns2.MyDomain.com

    Server 2 Sittings: (ws2)
    Mailboxes
    POP3 Server
    SMTP Server
    Full-qualified domain name (mail.MyDomain.com)
    Domains
    ws2.MyDomain.com (local)
    MyDomain.com (local)
    mail.MyDomain.com (remote)

    I can receive email from hotmail but I cannot send, however if I reply the email I receive from hotmail it will be delivered to hotmail. It seem there is a problem with the way I am sending the email B/C when I reply the email it will be delivered, and this happen with hotmail only.

    Any help would be much appreciated.

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