e-mail bouncing back

i received e-mail from info@hindujaintemple.org but when i reply

i get an outllok error
info@hindujaintemple.org
#550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##
i am using outllok 2007 andexchange 2010 standard
i checked in mxtoolbox .com and typed the domain hindujaintemple.org
i got IP 66.96. 142.51 WHAT NEXT SHOULD I DO

how do i resolve

i am not blacklisted in barracuda


pramod1Asked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Razi_AhmedCommented:
5.1.1 just says that there is no user in that domain with that email address. Make sure the address has not been changed at the other side.
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
pramod1Author Commented:
but i just received e-mail a minute ago and i was replying back
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Exchange

From novice to tech pro — start learning today.