I'm unsure whether this should be posted here or on StackOverflow, so I apologize in advance if this is the wrong site.
I'm fairly new to Domino administration. I have a problem regarding return receipts on our Domino 9 server. I've been asked to disable all return receipts from our server. I've found the place where it's disabled:
After this I have retarted the server, but we still send out return receipts when getting mails. I have tested from an Outlook 2013 client. Is this how it is or am I missing something?