> The web interface is up for our system and I was wondering about something > that may be a problem and may not be ... > I am an owner of a list that is gated to a newsgroup. The list goes back > to Bitnet times and is public. I registered my email address with the > listserver and made a test post to the list. The e-address I registered > showed up in the "From:". Of course it is a valid address. But if the > address became invalid, I would still be able to post and the invalid > address would show up as the return. Is it reasonable to have the > Listserver probe its list of registrants or is this too much overhead just > to handle public lists? Does anyone see the possibly not having valid > return addresses as a problem? I myself can't say how serious this might > be; there isn't a great deal of spam in the present setup, so there may > well be no real cause for concern. Still, I wondered what others thought. > -- Joe Kelley > [log in to unmask] There's no 100% certain way to test the validity of an email address short of sending mail to it and seeing if it bounces. If you set Send=Private so that only subscribers can post and use passive probing to eliminate invalid subscriber addresses, you will limit the opportunity for someone with a bad address to post.