What is a DMARC syntax error? (Which tool gave this? What operation was
it performing at the time?)
Yes,
example.com TXT "v=spf1 -all"
_dmarc.example.com "v=DMARC1; p=reject;"
is a reasonable way to announce that a domain can never be used for
sending email.
- Roland
On 26/09/18 10:04, T Nguyen via dmarc-discuss wrote:
Hi dmarc-discussing group,
Updated a few things that came to me after sending the previous message.
1. Can non-smtp ( no mx record ) domain example.com be protected by
dmarc? I inherited the below dmarc record for this example.com
with spf record as “ v=spf1 -all “. The result was a dmarc
syntax error. It could be that the syntax error caused by the
receiving domain not have the text record to authorize the reports
receptions?
v=DMARC1; p=reject; pct=100;
rua=mailto:dmarc-repo...@not-example.com,mailto:repo...@example-not.com
2. If dmarc cannot be implemented then what is the best way to
protect this non-smtp domain example.com from being spoofed by
mal-intention senders that can fool naïve users? Although with
spf record “ v=spf1 -all “alone should work for dmarc record to
set policy reject all email using this non-email domain
example.com. Just realized that dkim cannot be generated without a
mail server to maintain the private key.
Thank you in advance,
Best,
tn
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