[Mailman-Users] dmarc_moderation_action isn't working

[Joel Uckelman]

Thus spake Mark Sapiro:
> 
> What do you get on the local machine from
> 
> dig txt _dmarc.yahoo.com

[uckelman at one Mailman]$ dig txt _dmarc.yahoo.com

; <<>> DiG 9.9.4-P2-RedHat-9.9.4-12.P2.fc20 <<>> txt _dmarc.yahoo.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2747
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 6, ADDITIONAL: 7

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;_dmarc.yahoo.com.    IN  TXT

;; ANSWER SECTION:
_dmarc.yahoo.com. 1777  IN  TXT "v=DMARC1\; p=reject\; sp=none\; pct=100\; rua=mailto:dmarc-yahoo-rua at yahoo-inc.com, mailto:dmarc_y_rua at yahoo.com\;"

;; AUTHORITY SECTION:
yahoo.com.    89848 IN  NS  ns1.yahoo.com.
yahoo.com.    89848 IN  NS  ns2.yahoo.com.
yahoo.com.    89848 IN  NS  ns6.yahoo.com.
yahoo.com.    89848 IN  NS  ns3.yahoo.com.
yahoo.com.    89848 IN  NS  ns4.yahoo.com.
yahoo.com.    89848 IN  NS  ns5.yahoo.com.

;; ADDITIONAL SECTION:
ns1.yahoo.com.    521834  IN  A 68.180.131.16
ns2.yahoo.com.    521834  IN  A 68.142.255.16
ns3.yahoo.com.    521834  IN  A 203.84.221.53
ns4.yahoo.com.    521848  IN  A 98.138.11.157
ns5.yahoo.com.    521834  IN  A 119.160.247.124
ns6.yahoo.com.    3460  IN  A 121.101.144.139

;; Query time: 0 msec
;; SERVER: 62.210.16.6#53(62.210.16.6)
;; WHEN: Thu May 29 16:42:14 CEST 2014
;; MSG SIZE  rcvd: 371
 
> If that gives the expected result,

It looks like I got a DMARC record back. Is that the expected result?

> what do you get from the following Python
> 
> import dns.resolver
> from dns.exception import DNSException
> resolver = dns.resolver.Resolver()
> dmarc_domain = '_dmarc.yahoo.com'
> resolver.timeout = 3.0
> resolver.lifetime = 5.0
> txt_recs = resolver.query(dmarc_domain, dns.rdatatype.TXT)
> for x in txt_recs:
>     print x
>

The script prints:

"v=DMARC1; p=reject; sp=none; pct=100; rua=mailto:dmarc-yahoo-rua at yahoo-inc.com, mailto:dmarc_y_rua at yahoo.com;"

-- 
J.