When i send e-mail, i get message :
Mail Router : Deliveri Failure
Error transferring to sby.SGGRP.COM; SMTP Protocol Returned a Permanent Error 554 Service unavailable; Client host [18.104.22.168] blocked using relays.ordb.org; This mail was handled by an open relay - please visit <http://ORDB.org/lookup/?host=203.130.
So i can't send e-mail to a destination
What happend and what's it solution....?
Thanks for your attention