On Wed, 30 Jan 2002, Geoff Reed wrote:
not so easy fix, your ISP can get on a blacklist from
spoofed headers,
there are a handful of the blacklists out there that just add you, without
verifying that the spam did , in fact originate at your domain :(
That is true. Some? of the blacklists will blacklist any site that COULD
be used, based entirely on whether they have things like reverse DNS
configured properly.
How about an entire Community College being blacklisted (without ever
having been hijacked)? And the "Network Administrator" is apparently not
capable of fixing it!