[RCD] Adding a "Received" header to outbound messages

till klimpong at gmail.com
Wed Dec 12 09:02:33 CET 2007

On Dec 12, 2007 1:13 AM, Martin Kealey <roundcube-maint at ihug.co.nz> wrote:
>  On of the problems we encounter as an ISP is the occassional customer
> account getting hijacked and used to send spam from the webmail interface.
>  To assist in tracking down the perpetrators, we've created a patch that
> inserts a Received header that records information so we can track down the
> compromised account. (In particular, the timestamp, source IP address and
> login name.)
>  The header is formatted like this:
>      Received:  from [ip-address] (host.domain; login=username)
>          by hostname-of-server
>          with HTTP/version ;
>          datestamp
>  You might wonder "why use the Received header"; well, the simple reason is
> so it can be processed the same way as any other spam report - and we get a
> lot of those.
>  Is this of interest to anyone else?

Isn't this what people use the "X-Sender"-header for? If I remember
correctly that would be the defacto standard - but it would "only"
contain an IP. ;-)

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