Undeliverable

[Darren]

Periodic problems in sending emails in outlook 2003.
Receiving is fine form several pop addresses. Get
instantaneous return from system administrator as
undeliverable with the following

Your message did not reach some or all of the intended
recipients.

Subject: OEMSupport:
Sent: 8/01/2004 9:12 a.m.

The following recipient(s) could not be reached:

'(e-mail address removed)' on 8/01/2004 9:12 a.m.
550 5.7.1 <[email protected]>... Relaying
denied. Proper authentication required.


please help/advise

 

[Jeff Stephenson [MSFT]]

You need to authenticate to your outgoing mail server. Click the "More
Settings..." button on your account dialog and go to the "Outgoing Server"
tab to do this. If using the same settings as for the incoming doesn't
work, try selecting "login to incoming server before sending".