11 Aug
2025
11 Aug
'25
3:25 a.m.
On Mon, 11 Aug 2025 02:25:35 +0000, Lucien Hoydic via NANOG <nanog@lists.nanog.org> wrote:
This from one of the mail servers I manage:
H=lists.nanog.org [50.31.151.68] F=<nanog-bounces@lists.nanog.org> rejected RCPT <[x](mailto:nanog2@adns.net)xxxx@yyyyy.com>: host is listed in sbl.spamhaus.org
Not sure anyone cares - mail still comes in via the IPv6 interface, but interesting that the listserv tries IPV4 1st.
Actually, according to records in the logs, 50.31.151.68 has been flapping in and out of the SBL every few hours since 8 Aug, around 1600 UTC. Currently, it is not listed. mdr