<div dir='auto'>Great post, Mark. Back in the '80s I wrote a Fortran program with an infinite loop like that. It crashed the company's IBM 3090 mainframe! (Later version of the infamous IBM 360.)<div dir="auto"><br></div><div dir="auto">R</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Dec 12, 2019 11:44 AM, Mark J Bradakis via Mgs <mgs@autox.team.net> wrote:<br type="attribution" /><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">Not everybody has been on this list for decades. Some of you may be <br>
wondering about the Dan Hughes reference, and 'out of office' comments.</p>
<p dir="ltr">What happened those many years ago was that a list subscriber set up an <br>
automatic email response to any incoming mail. I don't recall exactly <br>
how he did it, but it wasn't done according to, oh, shall we say best <br>
accepted practice at the time. And in those early days of mailman <br>
software running the lists, there were some things that could have been <br>
improved.</p>
<p dir="ltr">So Dan sets up this vacation response program and goes on his merry <br>
way. He gets a message from the MG list. His program responds to the <br>
MG list with his 'out of the office' canned response. The MG list gets <br>
his response, and sends it out to the list. Dan's autoresponder gets a <br>
copy of his 'out of the office' and responds by sending his canned <br>
response to the list. The MG list gets his response, and sends it out <br>
to the list. Dan's autoresponder gets a copy of his 'out of the office' <br>
and responds by sending his canned response to the list. The MG list <br>
gets his response, and sends it out to the list. Dan's autoresponder <br>
gets a copy of his 'out of the office' and responds by sending his <br>
canned response to the list. The MG list gets his response, and sends <br>
it out to the list. Dan's autoresponder gets a copy of his 'out of the <br>
office' and responds by sending his canned response to the list. The MG <br>
list gets his response, and sends it out to the list. Dan's <br>
autoresponder gets a copy of his 'out of the office' and responds by <br>
sending his canned response to the list. The MG list gets his response, <br>
and sends it out to the list. Dan's autoresponder gets a copy of his <br>
'out of the office' and responds by sending his canned response to the <br>
list...</p>
<p dir="ltr">You get the idea. Basically this infinite loop put many thousands of <br>
email messages in the queue in a short time, really clogging things up <br>
and of course annoying 100% of the list members. And it took some time <br>
on my part to step in, stop the loop and clean up the mess. Just <br>
another day in the leisurely life of an overpaid and underworked sys admin.</p>
<p dir="ltr">mjb.<br></p>
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</blockquote></div><br></div>