[opendmarc-users] trouble with endutec.de
A. Schulze
sca at andreasschulze.de
Mon Aug 14 04:58:36 PDT 2017
Hello,
endutec.de publish a TXT record on _dmarc.endutec.de.
It looks like DMARC record but formal it is not a valid one.
$ dig _dmarc.endutec.de. txt +short
"off-v=DMARC1; p=reject; pct=100; fo=1;
rua=mailto:dmarc.rua at srv-ctrl.net; ruf=mailto:dmarc.ruf at srv-ctrl.net"
https://tools.ietf.org/html/rfc7489#section-6.3
...
A DMARC policy record MUST comply with the formal specification found
in Section 6.4 in that the "v" and "p" tags MUST be present and MUST
appear in that order.
...
v=DMARC1 is not present, so the whole record MUST be ignored if my
reading is correct.
let's see what other implementations "think":
o mail::dmarc
$ dmarc_lookup endutec.de
using
/usr/share/perl5/auto/share/dist/Mail-DMARC/public_suffix_list for
public_suffix_list
Header From: endutec.de
Organizational Domain: endutec.de
no DMARC policy published for endutec.de
o https://dmarcian.com/dmarc-inspector/endutec.de
-> No DMARC record published.
o https://www.dmarcanalyzer.com/dmarc/dmarc-record-check/
... enter "endutec.de"
... press "Validate DMARC"
-> ... there are errors ...
o OpenDMARC
$ opendmarc-check endutec.de
DMARC record for endutec.de:
Sample percentage: 100
DKIM alignment: relaxed
SPF alignment: relaxed
Domain policy: reject
Subdomain policy: unspecified
Aggregate report URIs:
mailto:dmarc.rua at srv-ctrl.net
Forensic report URIs:
mailto:dmarc.ruf at srv-ctrl.net
looks like OpenDMARC don't correct) check for the RFC requirement. At
least, my version...
I'm still running 1.3.1 + my set of ~30 patches.
Is the problem above known and addressed in 1.3.2?
Andreas
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