I can't send any email

Discussion in 'Installation/Configuration' started by Geoadly, Nov 23, 2023.

  1. Geoadly

    Geoadly Member

    Dears,
    Greetings
    I need help when I do port forwarding or DMZ the mail server can't send any email we put the real Ip on server I can send emails very well
    any recommendations
    thanks
     
    Geoadly, Nov 23, 2023
    #1
  2. Taleman

    Taleman Well-Known Member HowtoForge Supporter

    Whwat happens when sending fails? error messages? What is in mail log?
     
    Taleman, Nov 23, 2023
    #2
  3. Geoadly

    Geoadly Member

    It give me this error when I send to any domain
     

    Attached Files:

    Geoadly, Nov 26, 2023
    #3
  4. Th0m

    Th0m ISPConfig Developer Staff Member ISPConfig Developer

    Perhaps port 25 is blocked by your provider?
     
    Th0m, Nov 26, 2023
    #4
  5. Geoadly

    Geoadly Member

    When I do telnet from outside on port 25 is telnet
     

    Attached Files:

    Geoadly, Nov 28, 2023
    #5
  6. Taleman

    Taleman Well-Known Member HowtoForge Supporter

    Test also outgoing port 25.
     
    Taleman, Nov 28, 2023
    #6

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