El 20/08/2019 a las 2:20, Kevin Darcy escribió:
DNSBL is by IP, true, but there are other forms of "SMTP blacklist"
that are by domain. Getting one's domain on one or more of those lists
would help avoid the impact of someone trying to use the domain to
spoof malicious email. Sure, you could wa
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DNSBL is by IP, true, but there are other forms of "SMTP blacklist" that
are by domain. Getting one's domain on one or more of those lists would
help avoid the impact of someone trying to use the domain to spoof
malicious email. Sure, you could wait until *after* t
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MXes are for *receiving* mail of course. The request is about *sending*
mail.
Setting the SPF record to "-all" is probably about the best you can do,
since AFAIK there is no universally-recognized way to signal "domain X
never sends mail".
Ironically, in order to
Hi,
We (Arnold Holzel and I) gave a talk about SPF (with macros), DKIM, DMARC and
MTA-STS during Black Hat USA two weeks ago. The slides contains example DNS
records you can use. Also a kink to a Splunk app for get insight whether Your
domain are abused.
Link:
https://i.blackhat.com/USA-19/Th
You might also want to set a DMARC Policy record with appropriate 'rua' and
'ruf' email reporting addresses.
rua and ruf depend on remote mail centers being willing to send you this
information (which is not always consistently done). Yet the reports might
provideoccasional feedback if you ar
Hi,
I would think declaring SPF as you say is the right course of action.
I would consider setting up DMARC as well. Whether it's your intention or
not, if you set up DMARC (a way for people to report mail claiming to be
from you) you've essentially created a honey pot; maybe somebody will be
In article ,
Ignacio GarcÃa wrote:
> Hi there.
>
> Thanks for your support. First message to the list, sorry if already
> posted a similar question, but I haven't found mention anywhere.
>
> I have to set up dns records for a domain just for a web site, for which
> we will NEVER send emails
On 19.08.19 15:01, Ignacio García wrote:
I have to set up dns records for a domain just for a web site, for
which we will NEVER send emails (though we might receive some from old
customers), so I would like to announce somehow that emails sent from
this domain should always be disregarded. I wa
(Sorry, there was a typo in the original message)
Hi there.
Thanks for your support. First message to the list, sorry if already
posted a similar question, but I haven't found mention anywhere.
I have to set up dns records for a domain just for a web site, for which
we will NEVER send emails
Hi there.
Thanks for your support. First message to the list, sorry if already
posted a similar question, but I haven't found mention anywhere.
I have to set up dns records for a domain just for a web site, for which
we will NEVER send emails (though we might receive some from old
customers)
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