We are seeing this error on specific sender IPs. So “Server busy” may be
intentionally and dependent on the sender.
There are also many versions of this error, with at least 6 different AS codes.
Some occur after MAIL FROM, some occur after RCPT TO, and some occur after
DATA.
Previously Hotma
> disagree with Vladimir that ARC requires a whitelist for trust, using
> a whitelist is certainly how I expect smaller operators and folks
> running their own servers to work. We think it's possible for an
> operator with sufficient mail volume to programmatically learn
> mailflows, assign reputa
Hello Grant,
thanks for your thoughts. Basically that applies to everybody on this list.
I will bring that information about gmail and the clipping of mails into
account when he next review of the criteria is due.
I was a bit careful when talking about the details how we need to optimise the
fe
On Fri, Nov 3, 2017 at 5:24 AM Vladimir Dubrovin
wrote:
> disagree with Vladimir that ARC requires a whitelist for trust, using a
> whitelist is certainly how I expect smaller operators and folks running
> their own servers to work. We think it's possible for an operator with
> sufficient mail v
