Can receive emails, but not send them

21 September 2009

If you're setting up an email account and you find that you can receive emails, but not send them, you'll first need to answer the following questions:

  • What Operating System do you have on your computer? (Windows XP, Windows Vista, etc...)
  • What email client are you using? (Outlook Express, Outlook 2003, Outlook 2007, Thunderbird, etc...)
  • Do you have a Firewall on your computer at all? (Windows Firewall, Windows Defender, Zone Alarm, etc...)
  • What error messages are you receiving?

With these answers your problem should be able to be diagnosed easily.

A few common reasons could be:

  • Your Firewall might be blocking some Internet activity and causing emails not to be able to send - check that your SMTP port is allowed through the Firewall
  • Outlook Express (and older versions) are not compatible with Windows Vista
  • You may need to tick the "Use secure authentication"
  • You may be trying to use the wrong username and password combination for your email account

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