> Jun 1 18:18:18 localhost postfix/smtp[9269]: 907191840E9: host
> cdptpa-smtpin01.mail.rr.com[75.180.132.243] refused to talk to me: 554
> 5.7.1 - ERROR: Mail refused - <184.90.56.138> - See
> http://www.spamhaus.org/query/bl?ip=184.90.56.138
> Jun 1 18:18:19 localhost postfix/smtp[9269]: 907191840E9:
> to=<zephod AT cfl.rr DOT com>,
> relay=cdptpa-smtpin02.mail.rr.com[75.180.132.244]:25, delay=0.94,
> delays=0.61/0/0.33/0, dsn=4.7.1, status=deferred (host
> cdptpa-smtpin02.mail.rr.com[75.180.132.244] refused to talk to me: 554
> 5.7.1 - ERROR: Mail refused - <184.90.56.138> - See
> http://www.spamhaus.org/query/bl?ip=184.90.56.138)
>
> which makes more sense.
>
> Now I need to find out how to get the server to listen.
> OK, it appears from the URL given that my IP address is blocked because it
> is on some Policy Block List.
> But my IP address comes from my ISP via DHCP. Are they blocking their own
> IP address?
> It looks like I can remove it from the list but I'd like to understand
> this a little better first.
>
> Steve
It's interesting that the blacklist service your ISP uses happens to block
your IP address, but it's pretty common for blacklists to contain IP
address blocks that are assigned dynamically, or specific IP addresses
that were used by spam. At any rate, it may not even be worth trying to
get your IP address unblocked if it's dynamic.
The usual way to make this work is by using a "smart relay." In other
words, instead of trying to send the email directly, it's handed off to
your ISP, who delivers it on your behalf:
http://www.dnsexit.com/support/mailrelay/postfix.html
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