450 [TEMPFAIL] destination not valid within DNS

T

tom g

I get this error when send an email from outlook, but when I send from MSN it
works fine
 
V

Vince Averello [MVP-Outlook]

Might your ISP's server be having a problem? Also, is this a new issue or
something that's always happened?
 
B

Brian Tillman

tom g said:
I get this error when send an email from outlook, but when I send
from MSN it works fine
Click to expand...

Looks like a server issue to me and not an Outlook problem.
 

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