What I don't get from Midrange is when you want to post something on a specific group for example Open source how do you do that. You send your new question and Midrange is the one who classify where to post or Am I wrong? some one pls explain to me.
Check out lists.midrange.com. Basically you subscribe to each list individually.
To post a message to all the list members, send email to firstname.lastname@example.org.
To post a message to all the list members, send email to email@example.com.
To post a message to a specific list, you send an email to that list address.
You must be subscribed to the list first.
So, if you want to post to the open source list, after you are subscribed, you would send a message to opensource<at>lists.midrange.com. Make sure you use a good subject for your message.
Similarly, to post to MIDRANGE-L, you would address your message to midrange-l<at>lists.midrange.com.
To see all the available lists, visit https://lists.midrange.com.