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    Problem to Send Mails Out Side Network


    Hi

    I configure Mail Server in Ubuntu. Internally it is working fine

    when i tried to send mail to outside network
    like gmail or yahooo

    the mails are not going out

    Do I Need to register my domain to send mails out side the network ?
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    Originally Posted by nara_456
    Hi

    I configure Mail Server in Ubuntu. Internally it is working fine

    when i tried to send mail to outside network
    like gmail or yahooo

    the mails are not going out

    Do I Need to register my domain to send mails out side the network ?
    Welcome to Dev Shed.

    1) Verify your ISP isn't blocking port 25. (Provided you haven't already changed the port number from 25)

    2) Verify that your router/firewall has the appropriate port forwarded/opened.

    3) Set up RDNS with your ISP. Many ISP's will either flag the email as spam or just not deliver it if it doesn't have a proper RDNS record. If it's only sites like Yahoo and Gmail, then this is probably the problem. If it's all sites, then it may be one of the above options.
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    Originally Posted by nara_456
    Hi

    I configure Mail Server in Ubuntu. Internally it is working fine

    when i tried to send mail to outside network
    like gmail or yahooo

    the mails are not going out

    Do I Need to register my domain to send mails out side the network ?
    Check the log file /var/log/mail.log to see what is causing the problem.
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    Logs are your friend. They may be in a different location than previously specified though.

    Just open a shell and do:

    locate *mail.log

    if nothing, try:
    locate mail*.log

    Some mail server apps will name logfiles differently.

    Maybe tell us what you're using?
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    Originally Posted by fazexx
    Logs are your friend. They may be in a different location than previously specified though.

    Just open a shell and do:

    locate *mail.log

    if nothing, try:
    locate mail*.log

    Some mail server apps will name logfiles differently.

    Maybe tell us what you're using?


    I am using Ubuntu - Operating System
    Postfix - MTA
    Courier- MDA
    Squirrelmail - Client application
    and Changed the port numbers of SMTP & IMAP and forwarded in router also.

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