The man at the UK computing help desk said it was because of spam coming from those addresses. Elizabeth Trotter -----Original Message----- From: LISTSERV list owners' forum [mailto:[log in to unmask]] On Behalf Of [log in to unmask] Sent: Tuesday, August 02, 2005 1:10 PM To: [log in to unmask] Subject: Re: Subscriber can't post to list "LISTSERV list owners' forum" <[log in to unmask]> wrote on 08/02/2005 11:06:23 AM: > It seems like I'm always hearing about "blocked" addresses or ISPs. Is > there any such thing as adding addresses to an "approved" list instead of a > "blocked" one at the list administrator's level? Yep, they're called whitelists. Blocked servers/domains/addresses are blacklists. The questions is, "How did that address end up being blacklisted?"