Problem with mails

[pippin]

When i send to certain people the mail cant be sent because the PLESK is rejecting the recipent,how can i make a fix for that?

553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)

 

[pippin]

No one can answer this one?

 

[jwdick]

Try looking at this post: http://forum.swsoft.com/showthread.php?t=36769