Can anyone tell me where I can change the Message-ID going out in my mail headers?
Its currently:
Message-ID: 7B2F2846-AF19-4088-9142-5D108C7C3927@LocalDomain
and I need it to be:
Message-ID: 7B2F2846-AF19-4088-9142-5D108C7C3927@mydomain.co.uk
Thanks