[AT] quiet??

[k7jdj at aol.com]

 Thanks Spencer,
I never see my posts.  That happened several years ago.  I don't post much but have been following the list since the late nineties.  Enjoy most of the posts even off topics for the most part. At times in the past the list was quite entertaining. Especially the Walt days. Not much repair questions these days and I miss that.
GaryRenton, WA
 
 
-----Original Message-----
From: Spencer Yost <spencer at rdfarms.com>
To: Antique Tractor Email Discussion Group <at at lists.antique-tractor.com>
Sent: Sat, Dec 21, 2019 9:14 am
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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