Email Setup for Buying

Need to sent all Purchase orders thru purchase@somedomain.com.
Tried setting up this mail id in the Setup>email>Email Account. But Never saves.
Any Suggestions.

@justin whats the error message ?

hi Neil,
trying to set-up the purchase mail id and route all transaction related to PO via this email ID.
Snapshot

@jstin please share the console error, what message comes @ console while saving

Justin onsole snap shot

If you are using production setup, rengenerate all your settings and restart