FreeWebHostDir Tutorials » Email http://tutorials.freewebhostdir.com FreeWebHostDir Tutorials Sun, 01 Aug 2010 01:35:12 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 How to check if port 25 (smtp) is blocked http://tutorials.freewebhostdir.com/how-to-check-if-port-25-smtp-is-blocked/ http://tutorials.freewebhostdir.com/how-to-check-if-port-25-smtp-is-blocked/#comments Sun, 15 Nov 2009 15:44:20 +0000 admin http://tutorials.freewebhostdir.com/?p=19
  • On your windows 98/ME/2000/XP, click on Start->Run…
  • On your windows vista/Windows 7, click on Start->Search, type run
  • Enter “cmd” without quotes and click on OK
  • Type the following:
  • telnet yourdomain.com 25 (replace yourdomain.com with your domain)

    • If you get the message:
    could not open connection to the host, on port 25: connect failed

    then port 25 is probably blocked by your ISP/Firewall and you may not be able to send email using mail.yourdomain.com. You will be forced to use the SMTP provided by your ISP.

    Solution:  Some hosting providers provided an alternative solution that switched the smtp port from 25 to 26/587. For more information please contact your hosting provider directly.

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