Ive been using this
deny message = inconsistent or no DNS reverse entry for
$sender_host_address
!sender_domains =
/usr/local/etc/exim/whitelisted-domains
!authenticated = *
condition = ${if eq{$host_lookup_failed}{1} {1}{0}}
which I picked up off the list and its been working well for dropping
lots of spam but ive also had the odd false positive like this one
2009-04-30 14:26:20 [4717] H=(clearview01.clearviewdns.net)
[69.56.235.170]:2835 I=[94.76.221.176]:25 F=<[email protected]>
rejected RCPT <[email protected]>: inconsistent or no DNS reverse entry
for 69.56.235.170
Is there a better way of doing this ?
Thanks
Terry
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