system administrator

[Guest]

I'm able to receive email but not send.
I get an error message
undeliverable
550

Any ideas?

Ron

 

[Hal Hostetler [MVP P/I]]

550 errors usually mean you're not authenticating properly, or you're
attempting to use an SMTP server other than the one your ISP provides. Most
ISPs won't allow this as an anti-Spam measure.

http://office.microsoft.com/en-us/assistance/HA011128331033.aspx
Troubleshoot 550, 553, and relay-prohibited errors
http://support.microsoft.com/kb/290842/en-us
You receive a SMTP relay blocks error message when you send e-mail messages
in Outlook

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