[AT] quiet??

[Stephen Offiler]

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.

SO

On Sat, Dec 21, 2019 at 12:45 PM Jim Becker <mr.jebecker at gmail.com> wrote:

> Another symptom I see once in a while is a long delay before delivery.
> This
> can result in getting a reply to a message long before the original
> arrives.
>
> I assume this also has to do with overloading.
>
> Jim Becker
>
> -----Original Message-----
> From: Spencer Yost
> Sent: Saturday, December 21, 2019 11:14 AM
> To: Antique Tractor Email Discussion Group
> Subject: Re: [AT] quiet??
>
>
> I address this subject from time to time.   Missing emails can be any
> number
> of issues. A very common reason is rate limiting. When a mail server for
> an
> ISP starts to become overloaded it will delete messages marked as “ bulk“;
> which mailing list mail is.   Because it’s overloaded, it does not report
> this back to the sender(it’s already overloaded, why send?).   So it just
> silently dumps it.  So there is never a way to know this for sure from my
> side.
>
> Whitelists set up for your account will often cure this but not always.
>
> ISPs also look at the original sender (not the mailing list but the
> author)
> and if that sender’s ISP is in a black hole list it will reject it.   I
> used
> to get this reply back when I managed the lists on my own server but now
> that I use a cloud provider I don’t.
>
> This usually gets sorted out within a few days because ending up in a
> black
> hole list creates noticeable issues for that ISP and they are usually
> motivated to solve it.
>
> Also, mailings lists don’t retry delivery very frequently before giving
> up.
> If there is a temporary issue in delivering to you(eg your ISP’s mail
> server
> is experiencing issues or your mailbox is full) the message may never come
> if the issues isn’t rectified within the retry window.   The first
> reason(rate limiting) and this reason often go hand in hand.   After an
> outage a mail server is usually swamped.
>
> And lastly, SPAM processing is notoriously inconsistent.   Sometimes it
> will
> end up in your SPAM folder but that is never guaranteed.   They may have
> just deep-sixed it with no party ever being notified.   An infuriating
> aspect of this is it often will affect messages from certain senders more
> than others.   This is usually the reason if you find you most often miss
> messages from a particular sender.
>
> In closing I do know and feel the pain.   After moving to a cloud provider
> even I miss the occasional message.   Most I find in the SPAM folder but
> every once in a blue moon it’s just “gone”.
>
> Spencer
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