On Sat, 2 Apr 2022, Michael Thomas wrote:
On 4/2/22 6:21 PM, John Levine wrote:
It appears that Michael Thomas said:
I'll be eager to see the papers substantiating this. Until then I remain
completely skeptical. It's an experimental RFC for a reason. Let's see the
data.
ARC is not
On Sun, 3 Apr 2022, Jeroen Massar wrote:
Hi Dan,
Hope the rest of the world is treating you decently!
There are a lot of bits and bobs that one has to get right for mail to flow,
amongst which:
- IP -> PTR lookup -> that hostname lookup, and match to IP again
On Sun, 3 Apr 2022, Niels Bakker wrote:
I also run my own mail server. I had to firewall off Google's MXes for this
exact reason: silent and not-so-silent email rejection when offered over
IPv6.
Every now and then they rotate their IP addresses, which causes mail to get
dropped for a while.
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