[SpamCop-List] Re: Pobox alternatives - anyone?
nobody at spamcop.net
Tue Feb 10 16:58:18 EST 2004
John Gray (nospam at invalid.com) wrote in
news:MPG.1a92bf7f5d7e7ab3989695 at news.spamcop.net:
>> > Why should *any* service attempt to implement the
>> > header parsing algorithms that SpamCop has?
>> Why would any service (except SC) look at *all* Received headers
>> instead of just the earliest?
> Most SMTP servers use DNSBL blocking based on the HELO or EHLO IP of
> the SMTP server that is attempting to send the message to them at that
> moment. The receiving SMTP server doesn't look at all the Received:
> headers at that time. It simply rejects the message on the basis that
> the SMTP server's IP that is connecting to them is blacklisted. It
> doesn't receive the message, thus saving itself the bandwidth (and
> time) required to receive the full message.
OK. But if the relaying server isn't the source why would dit *get*
blacklisted (end up in the DNSbl being checked)?
Marjolein Katsma - Amsterdam, NL - http://hshelp.com/
Spam reporting addresses: http://banspam.javawoman.com/report3.html
Spammers steal resources: they're my enemy.
Cyveillance steals resources: they're my enemy.
The enemy of my enemy can be my enemy, too.
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