Enable authentication for your SMTP server settings.
See
http://www.msoutlook.info/question/36
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
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http://www.msoutlook.info/
Real World Questions, Real World Answers
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"mph" <(E-Mail Removed)> wrote in message
news:6660ECDC-641B-44F9-98B0-(E-Mail Removed)...
> My outlook works fine sending and receiving emails from various locations,
> but other locations (wireless routers) only let me receive but not send
> emails. If the email actually makes it out of my outbox, I get a
> "relaying
> not allowed" error message.
>
> Any suggestions on how to receive emails from all locations?