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A specific sender can't send mails to my domain

Discussion in 'E-mail Discussion' started by myo, Mar 19, 2018.

  1. myo

    myo Registered

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    Hello there,

    I have a problem with my client. He send emails using outlook (user@domain.com) to me. But the bounce back mail is shown to him.

    How can I fix this and explain to him?
     
    #1 myo, Mar 19, 2018
    Last edited by a moderator: Mar 20, 2018
  2. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello,

    First, try searching /var/log/exim_mainlog for messages from that email address. EX:

    Code:
    exigrep user@outlook /var/log/exim_mainlog
    Do you notice any entries with specific failure notices? If not, check to see if any Outlook IP addresses are blocked in your firewall rules. A firewall management utility such as CSF is useful for this purpose if you don't already use it:

    ConfigServer Security & Firewall (csf)

    Thank you.
     
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