Do people care about them if there is an appropriate SPF record in place?
Thanks,
Eliot
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> Do people care about them if there is an appropriate SPF record in
> place?
IPv6 space is considered low quality from an email perspective, so the answer
is yes, receivers are likely to care about missing rDNS.
Receivers will care as much if not more that IPv4 if anything is out of place
with
> The much larger address space makes it too easy for a bad actor to jump
> around and, therefore, not develop a bad reputation associated with the
> address. So non-history features are made more strict.
This would be my impression too.
But jumping around on the same provider is the also a th
Check RFC1912 #2.1
In short, and for mails, if you don't have a PTR (v4 or v6), forget
delivering mails.
On 2/10/21 1:20 PM, Eliot Lear via mailop wrote:
Do people care about them if there is an appropriate SPF record in place?
Thanks,
Eliot
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On 2/10/2021 5:24 AM, Ken O'Driscoll via mailop wrote:
IPv6 space is considered low quality from an email perspective, so the answer
is yes, receivers are likely to care about missing rDNS.
I'm interested in understanding the 'low quality' basis.
I don't have direct, hands-on for this. So
On Wed, 10 Feb 2021, Dave Crocker via mailop wrote:
The much larger address space makes it too easy for a bad actor to jump
around and, therefore, not develop a bad reputation associated with the
address. So non-history features are made more strict.
My recollection is that when IPv6 mail se
