We help IT Professionals succeed at work.

change mailbox to external contact in exchange 2013

hello,

i need to change 10 mailbox to external contact.

i will delete this mailbox and create new external contact.

my question is:

i need to add x500 address or not?

because many user have already right a mail to this 10 mailbox.

thanks
Comment
Watch Question

Ciprian LozonschiOps Team Office 365/Messaging
Commented:
Yeah, I would add it to prevent feature NDR's.
Senior Solution Architect
Most Valuable Expert 2015
Top Expert 2015
Commented:
Yes providing the X500 address will allow user to reply to emails that they have previously received. This will also ensure that when the user is using AutoComplete in there Outlook client that they will not experience any NDR's.

Will.

Author

Commented:
thanks