New answers tagged google-groups
There seems to be no way but to manipulate the URL. The part of the URL after the last / is the group name. So to view the com.os.linux group, you would enter http://groups.google.com/forum/#!forum/comp.os.linux in the browser's address bar. If you're using Chrome, you could add a "search engine" that allows you to go straight to a Usenet group: ...
The option to directly add members to a group is indeed available again. They had removed it due to spammers misusing the feature: http://groups-announcements.blogspot.com/2011/07/new-in-google-groups.html (July 2011) Spam improvements: Starting next week, we will remove the option to “Add members directly” to googlegroups.com groups since spammers ...
(I assume you mean from the web interface.) Unfortunately, no, you can't. (At least at present.) Oddly enough, you can only mark messages as "read" but not the opposite.
You cannot. The best you can do is to create a welcome message.
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