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Thread: Sending Mail from External Network

  1. #1
    dewanggaba is offline User Awaiting Moderation
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    Question Sending Mail from External Network

    Hello,

    I've read any referrences about email relay and doing some experiences with disabling TLS Auth and so on. But, there's no clue about my problems

    I have a mail server on 118.97.xx.yy networks, and I want to use mail client outside that networks. But I have receive error message that inform me the email server deny mail relay.

    I try to add one by one the IP Address', but the MTA Settings have limitation only 10240 chars limit And how to resolve this issue ? So I can send email from outside network and using mail client.

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by dewanggaba View Post
    I've read any referrences about email relay and doing some experiences with disabling TLS Auth and so on. But, there's no clue about my problems
    There are posts all over the forums with answers to this question.

    Quote Originally Posted by dewanggaba View Post
    I have a mail server on 118.97.xx.yy networks, and I want to use mail client outside that networks. But I have receive error message that inform me the email server deny mail relay
    You're using the wrong port..

    Quote Originally Posted by dewanggaba View Post
    I try to add one by one the IP Address', but the MTA Settings have limitation only 10240 chars limit And how to resolve this issue ?
    Do not, under any circumstances, add any additional email addresses to the Trusted Network on your server - you will open it up to mail relaying and possible attack. If you've made any changes you should revert this to the original settings.

    Quote Originally Posted by dewanggaba View Post
    So I can send email from outside network and using mail client.
    Yes, use port 587 as the correct Submission port (not port 25) and that will need authentication.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    dewanggaba is offline User Awaiting Moderation
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    Well thank you phoenix, it's just about authentication on outgoing server settings. I do not put anything there, so that's why the error was occured.

    Thanks for your help, you can close this thread

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