Another list participant's theory is that perhaps they're checking
HELO domains. If a certain server is HELO'ing as an IP address, that
could explain it.
Cheers,
Al
On Thu, Jan 25, 2018 at 4:46 PM, Carl Byington wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA512
>
> On Wed, 2018-01-24 at
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
On Wed, 2018-01-24 at 09:30 -0500, Al Iverson wrote:
> Smells like a Fasthosts misconfiguration from here.
If they are doing ip queries against the DBL for all connections, they
will be refusing all incoming email. One might think that would be
quic
We're seeing a lot of "421 4.7.1 Resources restricted - try again later"
deferrals. Our operations team has opened a few tickets, but hasn't heard
anything. If someone at OptOnline could ping me off list, I'd appreciate it.
Small Business Growth Expert
DAVID CARRIGER
Linux Systems Administrator
