>Any DNS-based blacklist (or any blacklist, for that
>mater) which you do not control is a bad idea.

I would agree with that. Every so often yahoo stops sending list mails to me
because my name appears at spamhaus, but with a totally different IP source,
according to the "blocked" status of my account. Sometimes takes a couple of
days before you figure "things cannot be this quiet" and you find you have
missed a heap of messages. Sure you can read them on the website, but I get
them sent as emails for a reason ...

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