Get more info about an IP address or domain name, such as organization, abuse contacts and geolocation.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
Delivery has failed to these recipients or groups:
You can't send a message on behalf of this user unless you have permission to do so. Please make sure you're sending on behalf of the correct sender, or request the necessary permission. If the problem continues, please contact your helpdesk.
Diagnostic information for administrators:
ocal/DC=DO MAIN:SERVE R[578:0x00 0004DC:0x0 000001D] #SMTP#
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
Join the community of 500,000 technology professionals and ask your questions.