Am 04.10.2023 um 15:05:32 Uhr schrieb Gellner, Oliver via mailop: > today starting at around 11:40 CET one of our IP addresses > 194.127.216.50 was added to the Spamhaus CSS blocklist. The listing > has since been removed, but as we have a closed user base and I do > not believe the MTA behind this IP address suffers from any > misconfigurations, I'd be really interested to learn more about what > triggered this listing.
https://www.spamhaus.org/css/ Check your MTA logs for any suspicious activity. _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
