[lowrisc-dev] lists.lowrisc.org has problems with SPF (I think)

Ludovic Pouzenc ludovic at pouzenc.fr
Sun Jul 16 14:49:56 BST 2017


Hi,

(sorry for anoying all the list, but suggested 
mailman at listmaster.pepperfish.net does not work)

I just received an automated unsubscribe mail from the lowrisc-dev list 
after many (unnoticied) bounces. My mail server says that SPF checks 
against lists.lowrisc.org fails. I try to figure out things manually and 
I think there is a missing ipv4 or cname in your SPF string about "bagpuss".

2017-06-24 22:17:25 H=bagpuss.pepperfish.net [148.251.8.16] 
X=TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256 
F=<lowrisc-dev-bounces at lists.lowrisc.org> rejected RCPT 
<ludovic at pouzenc.fr>: SPF check failed.
2017-06-25 11:44:40 H=bagpuss.pepperfish.net [148.251.8.16] 
X=TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256 
F=<lowrisc-dev-bounces at lists.lowrisc.org> rejected RCPT 
<ludovic at pouzenc.fr>: SPF check failed.
2017-06-25 12:00:02 H=bagpuss.pepperfish.net [148.251.8.16] 
X=TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256 
F=<lowrisc-dev-bounces+ef5e968778ebd1e4058d1d098e684c24c01fe308 at lists.lowrisc.org> 
rejected RCPT <ludovic at pouzenc.fr>: SPF check failed.
2017-06-25 12:00:14 H=bagpuss.pepperfish.net [148.251.8.16] 
X=TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256 
F=<lowrisc-dev-bounces at lists.lowrisc.org> rejected RCPT 
<ludovic at pouzenc.fr>: SPF check failed.



# 2017-07-16

lpouzenc at lud-GB1:~$ dig +short TXT lists.lowrisc.org
"v=spf1 mx ip6:2a01:4f8:201:620f::2 -all"
lpouzenc at lud-GB1:~$ dig +short MX lists.lowrisc.org
20 mx3.pepperfish.net.
10 mx0.pepperfish.net.
lpouzenc at lud-GB1:~$ dig +short A mx0.pepperfish.net
88.99.213.221
lpouzenc at lud-GB1:~$ dig +short A mx3.pepperfish.net
185.163.68.253
lpouzenc at lud-GB1:~$ dig +short -x 2a01:4f8:201:620f::2
bagpuss.pepperfish.net.
lpouzenc at lud-GB1:~$ dig +short AAAA bagpuss.pepperfish.net
2a01:4f8:201:620f::2
lpouzenc at lud-GB1:~$ dig +short A bagpuss.pepperfish.net
148.251.8.16
   ^------ this one goes in "-all" I think.


I just renew my subscription, so if there is activity on the list, you 
should find rejects from mail.pouzenc.fr [185.61.116.42] in your logs if 
the problem persists. It does not have IPv6 connectivity yet, sorry.

Be aware that SPF could eat a reply to this email too :o)

Cheers,

-- 
Ludovic Pouzenc
www.pouzenc.fr

This is GNU/Linux land. In silent nights you can hear the Windows 
machines rebooting.




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