telnet to smtp is blocked bij some ISP?

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    aniel
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    #128227

    Hi all,
    I am having trouble with a SBS 2003 R2 Exhange config.
    Some email is being rejected from diffrent isp. I am also testing from diffrent ISP.
    Telnet session from ISP 1 (fig1) is blank.
    From the Second one i can connect (telnet) and also recive email.
    The 3rd ISP fig3 cannot connect to server.
    Mij MX record is pointing to 83.160.236.132
    I tought using my ISP dropmail mail server but even this is not working.

    I would appreciate your help.

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