On 10/5/21 12:05, Jarland Donnell via mailop wrote:
It's not terrible advice. Google is more likely to filter to spam folder
from IPv6 addresses. Enough of us have seen it to know we're putting the
puzzle pieces together correctly.
Which on the face of it makes no sense. Spammers, especially those using
botnets and the like are going to overwhelming use IPv4.
If a typical receiver of email were to disable all spam-filtering on
IPv6 completely, I don't think they would see a significant increase in
spam.
So, why is Google putting so much effort into IPv6 spam filtering?
It could be that they anticipate IPv6 adoption and want to get things
dialed in correctly before the spammers start to pollute the space. If
so, it's a good thing.
On my personal mail server it did take some work to ensure that all of
the I's were dotted and the T's crossed but once I got it dialed in
there hasn't been a problem for me personally sending to Gmail over
IPv6. And I'm very low volume, like maybe 50 messages a week.
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