[Scons-users] About email being returned

[Bill Deegan]

What Mats said... ;)

Could be something about your emails is intermittently looking like spam..

On Thu, Apr 28, 2022 at 6:21 PM Mats Wichmann <mats at wichmann.us> wrote:

>
> On 4/28/22 09:37, liruncong2018 via Scons-users wrote:
> > Hi,
> > There are often bounces, the reason for bounce: "host
> > mailwash62.pair.com[66.39.2.62] said: 554 5.7.1 Service unavailable;
> > Client host [203.205.221.231] blocked using sip24.invaluement.local (in
> > reply to RCPT TO command)", what does this mean?
>
> The mailing list is hosted for free at Pair Networks under a program
> they've had for a number of years. That's where that part of the message
> comes from.
>
> Invaluement is a spam-blocking service, which Pair must be using.  It
> sounds like it's intermittently blocking you - which is strange, once
> you land on someone's blocklist it's usually scarily permanent and hard
> to get rid of, even if in error.
>
> Unfortunately what these two entities are doing between each other is
> 100% out of our control.  It's one of the downsides of being an unfunded
> open source project, you have to put up with the things people will let
> you have for free.
>
> I wish I could offer better news... perhaps Bill knows more, he might
> follow up when he gets back from his travels - I think that's next week.
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