error message 553 - when I try to send

N

N675

can anyone help please. I very often get the error message
"553 sorry, that domain isn't in my list of allowed
rcpthosts (#5.7.1)" when using Office XP.

It doesn't happen all the time, even for the same
addressees, and when I simply re-send it is fine. But it
is pretty damn annoying to have to send the occasional
message twice!

Any help would be greatly appreciated
thanks

N675
 
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