You can use a cursor to process all email addresses, create the email content and send it.
Little example:
DECLARE @email varchar(200);
DECLARE email CURSOR FOR
SELECT emailAddress
FROM yourTable;
OPEN email;
FETCH NEXT FROM email INTO @email;
WHILE @@FETCH_STATUS = 0
BEGIN
PRINT @email
-- EXEC sp_send_dbmail ....
FETCH NEXT FROM email INTO @email;
END;
CLOSE email;
DEALLOCATE email;