To be more specific its when im putting a user in the From Field, searching for them, and selecting the user. This is on a windows 2003 system if it matters.

On Wed, Dec 3, 2008 at 4:22 PM, scusack <scusack@gmail.com> wrote:
I see in posts that I need to change the setting:

"I think OTRS checks whether the entered customer mail-address seems
to be valid through checking whether a MX-DNS-record could be found.

To turn off this behaviour,
set Framework -> Core: CheckMXRecord = No
"

Where exactly do I put:

set Framework -> Core: CheckMXRecord = No

What file does this go in specifically and where?