Sendmail: How does one blacklist annoying spammers?

[Tim]

Genes MailLists:
>>>  So if you're gonna gray list - please whitelist all the standard ISP
>>> outbound mx hosts ...

Tim:
>> That's gotta be a huge list.  And won't some of them be spam sources,
>> anyway?


Genes MailLists:
>   Not huge at all - I'm doing this for the outbound MX's of trusted mail
> senders.  Google uses about 2,700 outbound .. they are all readily
> available. So we're talking a few thousand hosts.

Only a few thousand?  What do you think is a huge list?  And that's just
your list of mail servers for one service...  What about the other ISPs,
the thousands of them?



-- 
[tim at localhost ~]$ uname -r
2.6.27.25-78.2.56.fc9.i686

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