Great Circle Associates List-Managers
(February 1998)
 

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Subject: Re: Fake-ID
From: Tony Sanders <sanders @ earth . com>
Organization: earth.com
Date: Thu, 26 Feb 1998 14:05:26 -0700
To: List-Managers @ greatcircle . com
In-reply-to: List-Managers-Digest's message of Wed, 25 Feb 1998 02:29:37 PST.
References: <199802251029.CAA11874@honor.greatcircle.com>

> From: "Siamak Farah" <sia@infostreet.com>
> One question, is there a security feature that checks that only I can send
> email to it? I will be sending from Eudora alias XYZ@XYZ.COM.... what is
> stopping somebody else from configuring the same way and also sending?

I don't know if this addresses your question or if it will work
for you or not as it is somewhat MTA specific (but others here may
be able to make use of it).

What I do is generate a random name for the list distribution alias
and then I surpress that name in the sendmail headers by sending to
multiple accounts with something like:
    
    listname-randomstring@host.domain,nobody@host.domain



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