press F5 to refresh e-mail search and if that does not work Switch WLM off and on again and see if that works.
I have 4 e-mail addresses with them and there is always one that will not work until I do one of the above.
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation technologies coming to Siggraph 2017
iPad Pro 12.9 vs Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.