Many of the recent email notifications about new posts have a problem: The link doesn't work; it contains "/new-discussion/" and it shouldn't contain that.
Here's an example of one of these bad links:
http://innovativeusers.org/iug-forum/new-discussion/9757-databases-that-don-t-work-with-wildcard-certificate.html
If you take out /new-discussion it works:
http://innovativeusers.org/iug-forum/9757-databases-that-don-t-work-with-wildcard-certificate.html