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Port 25 blocking, not sure if virus or problems

By Brewhaha
Jan 5, 2008
  1. Please find attached a copy of my HJT log. There seems to be a problem with a program blocking access to port 25. Email recieves fine, but cannot send. All other internet functions are fine.

    Thanks in advance for your help.

    Brewhaha
     
  2. kimsland

    kimsland Ex-TechSpotter Posts: 18,353

    Have you spoken to your Internet Service Provider about the Port 25 blocking issue ?
    Which ISP do you use ?
    Has this just happened recently ?
    Do you have a personnal firewall ? Have you tried to turn it off ?
    What is your Operating System ?
     
  3. jobeard

    jobeard TS Ambassador Posts: 13,525   +338

    please be more precise on WHY sending fails -- post the actual message seen please.

    99.9% of the time this is a malconfigured email client. Port 25 is the default
    but sometimes it is specifically changed by the ISP (which one are you using).

    the other two issues are:
    the isp email server name ( it too can be specific to the ISP: eg: smtp.domain.com, mail.domain.com)
    the use of secured login
     
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