I do this in acl_smtp_mail:
ASN_DOMAIN = asn.routeviews.org
warn
condition = ${lookup dnsdb{>; txt=${reverse_ip:$sender_host_address}.ASN_DOMAIN}}
set acl_c_sender_asn = $value
and later on, I check acl_c_sender_asn, but it seems to be empty. I
peeked in my named log and I see the query indeed takes place and
returns the expected information. So why is $value unset (apparently)?
Does it only last till the end of the current expansion? That is not
the sense I got from the documentation.
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which rewrite From, fetch the TXT record for no-use.mooo.com.