I receive error 550 and I can't send any mail using Outlook

[Guest]

I have tried to send mail to contacts in my address book. None of the mail
goes out due to the Error 550. Please configure mail client to use
authentication.

 

[Hal Hostetler [MVP-S/U]]

See if this page helps:

http://office.microsoft.com/en-us/assistance/HA011128331033.aspx
Troubleshoot 550, 553, and relay-prohibited errors


Hal
--
Hal Hostetler, CPBE -- (e-mail address removed)
Senior Engineer/MIS -- MS MVP-S/U -- WA7BGX
http://www.kvoa.com -- "When News breaks, we fix it!"
KVOA Television, Tucson, AZ. NBC Channel 4
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