Hi Polaris
There is an easy way to mail any member even if you only remember a bit of their name.
At the top of every page, next to your avatar there is a link for messages. Click it.
Then on the left hand column select New Message.
Then in the name box, well just next to it, there is a button 'Search Member' of somesuch.
This opens a dearch box. type in 'umi*' the star is for wildcards.
It then give you a list of members who fit that bill.
Click on one, then close the box.
You can now complete your message.
And send it.