qydlqcwsiacfymissuesapacheorg httpissuesapacheorgspamassassinshow_bugcgiid5820 additional comments ociwusurblorg 20080211 0111 sbl list used check uris using zen may advantage already used locally mta therefore cached dns hosted locally rbldnsd generally zen appropriate mail sender ips checked mta rcvd_in_sbl may overlap much uri namesever ips checked uridnsbl caching advantage probably minimal main advantage would zen locally mirrored using rbldnsd sbl isnt receiving mail assignee bug watching assignee tue 05 aug 2008 172330 0800 bug 5820 uribl_sbl zen