Perfect!!!
Now I understand and I'll to start DMARC implementation with p=none to see
what happen.
Regards !!!
El mié., 18 dic. 2019 a las 7:22, Gregory Heytings () escribió:
>
> Hi,
>
> I'd second Viktor Dukhovni's opinion. For the vast majority of mail
> servers, a minimalistic DMARC policy
Hi,
I'd second Viktor Dukhovni's opinion. For the vast majority of mail
servers, a minimalistic DMARC policy suffices, just add the following
record in the domain's DNS root zone:
_dmarc 10800 IN TXT "v=DMARC1; p=none;"
If you want to go a step further, you can just monitor how DMARC is
* Dave Goodrich:
> I can't force another server to use my policy.
True, you cannot enforce your DMARC policies. Then again, you are also
unable to force third parties to pay attention to your SPF or DKIM
settings. The decision about how to process your messages will always
lie with the recipient.
* Dominic Raferd:
> This is exactly what DMARC (p=reject) helps with.
I'm pretty sure you meant to say p=none there, didn't you?
-Ralph
- On Dec 17, 2019, at 12:40 PM, Dominic Raferd domi...@timedicer.co.uk
wrote:
> On Tue, 17 Dec 2019 at 17:35, Dave Goodrich
> wrote:
>>
>> - On Dec 17, 2019, at 8:14 AM, Roberto Carna
>> wrote:
>>
>> Dear, I have a Postfix server and I have SPF and DKIM TXT records in my DNS.
>> Eve
On Tue, 17 Dec 2019 at 17:35, Dave Goodrich wrote:
>
> - On Dec 17, 2019, at 8:14 AM, Roberto Carna
> wrote:
>
> Dear, I have a Postfix server and I have SPF and DKIM TXT records in my DNS.
> Everything works OK.
> But now I want to implement DMARC, but somebody tells me not to do it becaus
Thanks to all of you.I'll try DMARC with p=none some days and in this
way I can analyze the behaviour of this mechanism.
Regards !!!
El mar., 17 dic. 2019 a las 14:11, Chris Wedgwood () escribió:
> > DMARC policy is best avoided unless you're a bank, or other brand
> > that is concerned abou
- On Dec 17, 2019, at 8:14 AM, Roberto Carna
wrote:
Dear, I have a Postfix server and I have SPF and DKIM TXT records in my DNS.
Everything works OK.
But now I want to implement DMARC, but somebody tells me not to do it because
I'd have some problems and I'll have to use a whitelist fo
> DMARC policy is best avoided unless you're a bank, or other brand
> that is concerned about phishing of your customers.
or have a domain that spammers use as the from/reply-to address
On 17 Dec 2019, at 06:14, Roberto Carna wrote:
> I have a Postfix server and I have SPF and DKIM TXT records in my DNS.
> Everything works OK.
Good. You might look into DNSSEC as well if you haven’;t done that. The setup
is a bit tricky butane it’s setup it just works.
> But now I want to impl
> On Dec 17, 2019, at 8:14 AM, Roberto Carna wrote:
>
> Dear, I have a Postfix server and I have SPF and DKIM TXT records in my DNS.
> Everything works OK.
>
> But now I want to implement DMARC, but somebody tells me not to do it because
> I'd have some problems and I'll have to use a whitelis
Dear, I have a Postfix server and I have SPF and DKIM TXT records in my
DNS. Everything works OK.
But now I want to implement DMARC, but somebody tells me not to do it
because I'd have some problems and I'll have to use a whitelist for several
emai addresses, and it's a heavy additional work.
Ple
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