We're seeing these for localhost netblock, which seems kinda odd... Error: open resolver; https://www.spamhaus.org/returnc/pub/127.255.255.254
On 2022-05-13 12:32 PM, Jarland Donnell via mailop wrote: > I'm not sure if the rest of you are seeing the same, but I've seen a > lot of errors like this lately: > > 554 Service unavailable; Client host [mail-108-mta215.mxroute.com] > blocked by sbl-xbl.spamhaus.org; Error: open resolver; > https://www.spamhaus.org/returnc/pub/74.63.16.232 > > It seems that Spamhaus is cracking down on a certain type of activity > and it has caught more than a few mail admins with their pants down. > As you can see from the error, these mail servers are configured in > such a way that they assume the connecting IP to be blacklisted when > the error is in fact about that mail server's configuration and not > the connecting IP. This may be a good time to check your own logs, if > you are querying Spamhaus, just to be sure your house is in order. > _______________________________________________ > mailop mailing list > [email protected] > https://list.mailop.org/listinfo/mailop -- Mark E. Jeftovic <[email protected]> Co-founder & CEO easyDNS Technologies Inc. +1-(416)-535-8672 ext 225 /"Never expect a thing you do not want, and never desire a thing you do not expect." -- Bob Proctor /
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