"A Forum for those things that just plain go wrong or don't work as advertised."
Seems to cover it.
This weekend SpamCop's emailed acknowledgements of our reports started to come from a new IP, 184.94.240.88.
Mail server log extract:
Feb 25 22:59:51 mail6 xm[8046]: 31PMxYmR020727: [184.94.240.88], SPF RECORD [v=spf1 ip4:184.94.240.89 ip4:184.94.240.112 ip4:204.15.80.0/22 -all]
Feb 25 22:59:51 mail6 xm[8046]: 31PMxYmR020727: [184.94.240.88], [AS16417], spf [mfrom] test results for [spamid.0@bounces.spamcop.net]
Feb 25 22:59:51 mail6 xm[8046]: 31PMxYmR020727: [184.94.240.88], [AS16417], spf [mfrom] result fail (Mechanism '-all' matched)
SPF FAIL, not to mention no PTR record
$ dig +short -x 184.94.240.88
$
and the IP being on eight of the blocklists that I use.
Our system auto-reported 19 of these to SpamCop before I managed to stop it... :(
