Sending messages to the group

I find it difficult to reply to the group's messages. My messages to
after two weeks, this message,
"you can't post to a Usenet newsgroup via email
through Google Groups. However, if you create your own Google Group, you and your group members will be able to post to it via email."
Because I am a member of snipped-for-privacy@googlegroups.com I should be able to post to Usenet newsgroup. Is this the same as Google Group? I am confused.
I have to post my messages using the web, but I would prefer to post using email.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.