[SI-LIST] Re: duplicates from si-list
- From: <Aubrey_Sparkman@xxxxxxxx>
- To: <jeff.loyer@xxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Sat, 15 Sep 2007 21:20:57 -0500
Jeff,
Let me add a couple of data points.
When you sent out your question, (Wed., 29 August) I was not getting
duplicates.
On Wed., Sep 5th, I started getting duplicates at my Dell email address
with Outlook.
My home email address (Aubrey dot K dot Sparkman at ieee dot org) is on
a different computer with a different mail system and is not getting
duplicates.
I scrolled through the emails since Sep 5th and found:
1) NONE of the "out of the office" emails are being duplicated.
2) NONE of the emails I sent to si-list (si-list@xxxxxxxxxxxxx) were
duplicated when they came back to me.
3) ALL (100%) of the postings from others are duplicated on my Outlook
account.
4) I can't find any difference in the From address between the two
duplicates.
5) ALL of the duplicates show FROM: si-list-bounce@xxxxxxxxxxxxx on
behalf of <name and email>
6) My other email system shows FROM: <name and email>
7) My Outlook email receiving duplicates uses a Microsoft Exchange
Server
8) My home email that doesn't get duplicates accesses a pop3 server.
Aubrey Sparkman=20
Enterprise Engineering Signal Integrity Team=20
Dell, Inc.=20
Aubrey_Sparkman@xxxxxxxx=20
(512) 723-3592=20
"Discovery consists of seeing what everybody has seen and thinking what
nobody else has thought." - Jonathan Swift
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Loyer, Jeff
Sent: Saturday, September 15, 2007 4:13 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] duplicates from si-list
My informal polling shows that only a few of us are getting double
postings (I overstated it as "almost always" - in looking back at my
"deleted items", it only occurs occasionally). Here's a synopsis:
=20
11 folks reporting occasional duplicates:
6 using Outlook
2 using "Thunderbird" e-mail program
2 using Lotus Notes
1 using mail.yahoo.com
=20
But I suspect the reason there are more Outlook errors than others might
be that more people use Outlook.
=20
Here's a snippet from a posting on Microsoft on duplicate mail messages:
It may be incomplete pop3 collection causing it.=20
If you pop to your mail server and start collecting mail, your mail
server will not delete any of your mail until your client has
successfully collected it all, this is by design and part of the pop3
standard so it applies to all POP3 server types.=20
As a result if your POP collect fails part way through with only some of
the available mail collected you will get duplicates of the messages
from the incomplete POP session when you next connect and sucessfully
download the lot.
=20
Now that I look again at the duplicate postings, I see subtle
differences in the "from" addresses of the duplicates (Name
alias1@xxxxxxxx vs. Name alias2@xxxxxxxxx). I wonder if folks are
sending from 2 different e-mail address (though how/why they would do
that I don't know; I asked one of the people off-line and they certainly
didn't do it intentionally).
=20
If you're getting duplicate postings, look for subtle differences in the
"from" addresses of the duplicates. If you're not, I suspect your mail
service is doing some nice screening for you.
=20
It may also be due to errors occurring while collecting your mail.
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=20
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