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port 25

About this tag
Port 25 is the standard SMTP port used for sending email. On WindowsForum.com, users discuss issues where their ISP or email provider blocks port 25 to prevent spam, causing problems with sending messages from email clients like Windows Live Mail. Common troubleshooting steps include checking with the ISP for SMTP relay settings, using an alternate port such as 587 with STARTTLS, or adjusting account settings in the email client. The tag covers real-world scenarios where port 25 blocking interferes with outgoing email, and users seek solutions to restore email functionality.
  1. Jim S

    Windows 7 Help - I Can't Send Any Messages from Windows Live Mail

    I tried to forward a message to a tech support group at Webshots, a website where I have photo albums stored. My ISP, Cox, thinks that the message is spam and refuses to send it. OK, I can live with that. But the error message below now appears every time I try to sync my WLM account, and it...
    • Jim S
    • Thread
    • connection termination cox isp email email folders email management email synchronization error message forwarding message size network issues notifications outgoing messages port 25 server issues smtp spam tech support troubleshooting user help windows live mail
    • Replies: 6
    • Forum: Windows Software
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