Le 26/05/2019 à 17:22, Gilles Chehade a écrit :
On Sun, May 26, 2019 at 09:53:46AM +0200, Pierre-Edouard wrote:
Hi All,
Hi,
I am currently running OpenSMTPD on OpenBSD 6.5 GENERIC.MP#0 amd64
I am trying to "filter" connexions coming from hosts that don't have any
rdns defined.
Such hosts appear as <unknown> in the logs.
I've tried the following without any results :
table bots {"NXDOMAIN", "\<unknown\>" , ".*unknown.*", "^$" }
match from rdns regex <bots> for any reject
but this rule never matches and hosts without rDNS are still able to send me
mail :(
Any ideas ?
the 'from rdns' criteria will fail to match if the client doesn't have a
reverse dns, so a way to catch them would be:
match !from rdns regex '^.*$' [...]
i'll have a look at how to extend the criteria so we can do:
match !from rdns [...]
but this is not the highest thing in my prio list right now :-)
Thanks for your answer !
Unfortunately the workaround above does not work, it does not match with
no rDNS hosts :-(
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