For the reasons Dr. Okubo cited, Martin's two-stage procedure is probably better for the purpose.

I've administered the Megaco list on three systems now: majordomo, listserv, and mailman.  Of them all, only mailman allows me to specify spam filters, to a limited extent.  I have to be extremely careful, because IETF rules really do not permit any hint of moderation of true list discussion.  However, it's amazing how effective a simple rule like: "Hold messages without a specific addressee" can be.

-----Original Message-----
From: Folts, Harold [mailto:foltsh@NCS.GOV]
Sent: Wednesday, September 26, 2001 8:47 AM
To: ITU-SG16@MAILBAG.INTEL.COM
Subject: Re: Proposed Change to ITU-SG16 Mail List Procedures

Greetings,

There is also another way to limit posting to the list that does not involve
the two-step process. The list can be limited so that only those registered
for the list can post to it. I know that is a feature of majordomo that I
use for some of my lists.

Hal

> -----Original Message-----
> From: Meyer, Greg W [mailto:greg.w.meyer@INTEL.COM]
> Sent: Tuesday, September 25, 2001 9:17 PM
> To: ITU-SG16@MAILBAG.INTEL.COM
> Subject: Proposed Change to ITU-SG16 Mail List Procedures
>
>
> Dear ITU-SG16 Experts:
>
> I have noticed a dramatic increase in SPAM on the ITU-SG16
> mail list. As
> administrator of the list, I would like to hear about a
> proposed change that
> will decrease the amount of SPAM and other mail messages including
> potentially harmful email (viruses, etc.).
>
> I can set LISTSERV to require the sender of a message to
> acknowledge the
> message before LISTSERV will send it. So to send a message,
> you would send
> it in the usual way but before it gets sent to the mail list,
> LISTSERV will
> send you a message. If you respond to the message, you
> authorize LISTSERV to
> send the message. Since most SPAM is spoofed, the "sender" will not
> acknowledge LISTSERV and the message will not get sent.
>
> I would appreciate hearing if there are any concerns with
> this method before
> I implement it. I will follow-up this email later to announce
> what action I
> have taken to this ITU-SG16 list.
>
> Thank you,
>
> Greg Meyer
> Intel Corporation
> email: greg.w.meyer@intel.com
>
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> listserv@mailbag.intel.com
>

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