Hey everyone

Does anyone know what this part of the rbl line in postfix means: "*-2" or "*2"

I know what the other part of the equation means but asterisk is a puzzle to me.

From main.cf:
postscreen_dnsbl_sites = wl.mailspike.net=127.0.0.[18;19;20]-2
hostkarma.junkemailfilter.com=127.0.0.1-2
list.dnswl.org=127.0.[0..255].0-2
list.dnswl.org=127.0.[0..255].1-4
list.dnswl.org=127.0.[0..255].2-6
list.dnswl.org=127.0.[0..255].3-8
ix.dnsbl.manitu.net2
bl.spamcop.net2
bl.suomispam.net2
hostkarma.junkemailfilter.com=127.0.0.23
hostkarma.junkemailfilter.com=127.0.0.42
hostkarma.junkemailfilter.com=127.0.1.21
backscatter.spameatingmonkey.net2
bl.ipv6.spameatingmonkey.net2
bl.spameatingmonkey.net2
b.barracudacentral.org=127.0.0.27
bl.mailspike.net=127.0.0.25
bl.mailspike.net=127.0.0.[10;11;12]4
dnsbl.sorbs.net=127.0.0.108
dnsbl.sorbs.net=127.0.0.56
dnsbl.sorbs.net=127.0.0.73
dnsbl.sorbs.net=127.0.0.82
dnsbl.sorbs.net=127.0.0.62.23

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Dammit I have googled like crazy and never seen that one.

Thanks!

Don’t google like crazy, google smart 😉
After 2-3 tries I tried “postscreen syntax dnsbl” and that eventually brought me there

No one is typing