<div dir="ltr">I see this too, Jim. One person it seems to happen with in the last few months is Cecil Bearden. I see replies to something he said sometimes 1-2 days before the original shows up.<div><br></div><div>SO</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Dec 21, 2019 at 12:45 PM Jim Becker <<a href="mailto:mr.jebecker@gmail.com">mr.jebecker@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Another symptom I see once in a while is a long delay before delivery. This <br>
can result in getting a reply to a message long before the original arrives.<br>
<br>
I assume this also has to do with overloading.<br>
<br>
Jim Becker<br>
<br>
-----Original Message----- <br>
From: Spencer Yost<br>
Sent: Saturday, December 21, 2019 11:14 AM<br>
To: Antique Tractor Email Discussion Group<br>
Subject: Re: [AT] quiet??<br>
<br>
<br>
I address this subject from time to time. Missing emails can be any number <br>
of issues. A very common reason is rate limiting. When a mail server for an <br>
ISP starts to become overloaded it will delete messages marked as “ bulk“; <br>
which mailing list mail is. Because it’s overloaded, it does not report <br>
this back to the sender(it’s already overloaded, why send?). So it just <br>
silently dumps it. So there is never a way to know this for sure from my <br>
side.<br>
<br>
Whitelists set up for your account will often cure this but not always.<br>
<br>
ISPs also look at the original sender (not the mailing list but the author) <br>
and if that sender’s ISP is in a black hole list it will reject it. I used <br>
to get this reply back when I managed the lists on my own server but now <br>
that I use a cloud provider I don’t.<br>
<br>
This usually gets sorted out within a few days because ending up in a black <br>
hole list creates noticeable issues for that ISP and they are usually <br>
motivated to solve it.<br>
<br>
Also, mailings lists don’t retry delivery very frequently before giving up. <br>
If there is a temporary issue in delivering to you(eg your ISP’s mail server <br>
is experiencing issues or your mailbox is full) the message may never come <br>
if the issues isn’t rectified within the retry window. The first <br>
reason(rate limiting) and this reason often go hand in hand. After an <br>
outage a mail server is usually swamped.<br>
<br>
And lastly, SPAM processing is notoriously inconsistent. Sometimes it will <br>
end up in your SPAM folder but that is never guaranteed. They may have <br>
just deep-sixed it with no party ever being notified. An infuriating <br>
aspect of this is it often will affect messages from certain senders more <br>
than others. This is usually the reason if you find you most often miss <br>
messages from a particular sender.<br>
<br>
In closing I do know and feel the pain. After moving to a cloud provider <br>
even I miss the occasional message. Most I find in the SPAM folder but <br>
every once in a blue moon it’s just “gone”.<br>
<br>
Spencer<br>
_______________________________________________<br>
AT mailing list<br>
<a href="mailto:AT@lists.antique-tractor.com" target="_blank">AT@lists.antique-tractor.com</a><br>
<a href="http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com" rel="noreferrer" target="_blank">http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com</a> <br>
<br>
_______________________________________________<br>
AT mailing list<br>
<a href="mailto:AT@lists.antique-tractor.com" target="_blank">AT@lists.antique-tractor.com</a><br>
<a href="http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com" rel="noreferrer" target="_blank">http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com</a><br>
</blockquote></div>