[iyonix-support] Re: Spam infiltration

In message <4e4daa8653Jeremy@xxxxxxxxxxxxxxxx>
          Jeremy C B Nicoll <Jeremy@xxxxxxxxxxxxxxxx> wrote:

> Some ISPs, not all of them though, copy the info that was in the SMTP
> envelope to a fake header and include it in the mail. Generally that's
> an "Envelope-To:" header.  But not all ISPs do that.

This info is, presumably, the same as appears after the 'for' in each
'Received:' header.

-- 
Peter Bell - peter@xxxxxxxxxxxxxxxxx
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