On Tue, Apr 14, 2020 at 12:06:41PM -0400, Rich Felker wrote:
> > Well, ISP resolvers and anycast resolvers from Google, Cloudflare,
> > Verisign and Quad are generally not too far away.
>
> If you're on dialup or saturated DSL or cellular link, they're easily
> 300-1000 ms away. Each round trip
On Tue, 14 Apr 2020 at 18:45, Rick King wrote:
>
> Postfix version 3.1.1
>
> Hello List!
>
> We have a customer that occasionally receives messages like this...
>
> Return-Path:
> From: "Free iPad "
> To:
> Subject:Free iPad
>
> From the looks of it, messages like these are from legit domains
Postfix version 3.1.1
Hello List!
We have a customer that occasionally receives messages like this...
Return-Path:
From: "Free iPad "
To:
Subject:Free iPad
>From the looks of it, messages like these are from legit domains with a
>carefully crafted "displayName".
So the "displayName" is
On Tue, Apr 14, 2020 at 02:16:20AM -0400, Viktor Dukhovni wrote:
> On Mon, Apr 13, 2020 at 11:53:03PM -0400, Rich Felker wrote:
>
> > > Your local nameserver has already done the TCP failover and paid the
> > > cost of obtaining the full RRset, your stub resolver is just failing to
> > > give it
On Mon, Apr 13, 2020 at 11:53:03PM -0400, Rich Felker wrote:
> > Your local nameserver has already done the TCP failover and paid the
> > cost of obtaining the full RRset, your stub resolver is just failing to
> > give it the opportunity to return the full data to you. The performance
> > cost