Requester email not updating on AD sync

Requester email not updating on AD sync

We sync in our users once a day.  A few days ago we changed everyone's primary email in AD from name@domain.com to name@domain1.com.  But after the sync, existing users still have the domain.com address.
 
Now emails from users are creating new Requesters because the "from" address is domain1.com.
 
Should we just update aaacontactinfo from the backend? 
 
-Kiyomi

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