MS Outlook/Express/Newsgroups/WTF?

Two days ago I posted to a couple newsgroups I was subscribed to, no problem. Today I go to do it the same way I always have, and it refuses to let me send anything. It just says “could not send mesage, no sender has been specified” and something else about checking newsgroup configurations.
Some newsgroup subscriptions I set up myself, and others I set up by web links, but today all of them say this. What happened? I can’t find anything about this in the help, and I unsubscribed and re-subscribed, and it didn’t make any difference. I go through the Wizard and it says the same stuff it always does, that always worked before. - MC

I don’t know if this will solve your problem, but I have found that Google’s new posting ability to newsgroups is really easy.

http://groups.google.com/googlegroups/help.html#posting