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Sendmail 8.14.2 undisclosed DNSBL lookup failure and NOQUEUE errors (FreeBSD 7.0)
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12th May 2008
J65nko
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Join Date: May 2008
Location: Budel - the Netherlands
Posts: 4,128
Can you do a manual DNSBL lookup?
Does tcpdump show any attempts of sendmail to do a DNSBL lookup?
Code:
# tcpdump -nv -i re0 host 192.168.222.10 and port domain
This example assumes 192.168.222.10 is your DNSBL box.
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