Where's the Yahoo "WHITE LIST" for acceptable email addresses?

I'm a member of a yahoo group and would like to get the email addresses of the many of the other members so that I can send them invitations to a related email group I have started, but yahoo only shows the portion of their email before the '@'. How...

I started a list of email addresses and had four displayed and I tried ro add another and finished up with 3 on display which encluded the new one and the 4th previously showen seemed deleated.

I have a list of just email addresses for a newsletter we want to send out. This plain text file only contains email addresses because we don't need anything else (names, etc). ...show more

The limit is 100 addresses, it used to work but stopped working 3 days ago on Sept 15. Yahoo Groups doesn't allow distribution lists, how do I get it to work again?

Trying to find all email addresses to an individual. Spouse may be using another address different from home because of infidility.

My blocked address list stops at 500 addresses. This means that new spam emails are not added to it and thus later spam emails from the same address keep coming arriving in my inbox.

For example, could i add my friends email addresses from gmail?

For example, I have one friend of mine in Contact list in Y!M but I just have nickname not his or her email address. So there is any way to know his or her email address in case I want to email him or her

I pulled up an email from the inbox, to copy the email address of the sender - they aren't there anymore. Where am I suppose to find them now?? The new program is keeping email address secret for some reason. (BTW, I HATE the new yahoo mail program)