Kleith
What client are you using, and how is it configured?
--
Mark Fugatt
Microsoft Exchange MVP
www.exchangetrainer.com
www.msexchange.org
"Kleith" < XXXX@XXXXX.COM > wrote in message
news:109a01c361bd$c3509fe0$ XXXX@XXXXX.COM ...
> I am receiving the following message when sending to some
> external email accounts:
>
> Your message did not reach some or all of the intended
> recipients.
>
>
> You do not have permission to send to this recipient.....
>
>
> #5.7.1 smtp;550 5.7.1 unable to relay for <Email address>.
>
>
> I have been unable to find anything on Technet so far..
>
> any ideas.....