Blacklisted on bl.emailbasura.org? Yet another DNSBL blacklist is gone.

Written by Claudio Kuenzler - 0 comments

Published on October 30th 2019 - Listed in Monitoring Mail Internet

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I just received the following DNSBL alert from our monitoring using the check_rbl monitoring plugin:

Info:    CHECK_RBL WARNING - SERVERIP BLACKLISTED on 1 server of 94 (bl.emailbasura.org)

As a matter of fact, this server (SERVERIP) barely sends out e-mails and monitoring of mail queue did not show any weird abnormal behaviour. So what happened to this DNS blacklist? According to the known and trustworthy MXToolbox this is a valid blacklist. Or at least: Was a valid blacklist. If you visit emailbasura.org now, you get:

So this domain is gone, and therefore the blacklist, too. Time to disable this DNSBL in the plugin's ini config:

root@icinga2:~# grep emailbasura /usr/lib/nagios/plugins/rbl.ini
server=bl.emailbasura.org

root@icinga2:~# sed -i "/emailbasura/s/server/#server/" /usr/lib/nagios/plugins/rbl.ini

root@icinga2:~# grep emailbasura /usr/lib/nagios/plugins/rbl.ini
#server=bl.emailbasura.org

I will also make a PR on the plugin repository.

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