ASSP development mailing list <[email protected]>
schreibt:
>Suppose someone from 31.11.43.121 tries to send to you an email
>pretending to be "mail.example.com" and using "example.com" as the
>sending domain (in email); ASSP sits behind the "proxy" so it only
>sees the proxy IP (say 10.0.0.1) now, HOW can ASSP check SPF and DNSBL
>to see if the incoming IP is ok ?


ASSP will use the receive header with the hostname set in ispHostnames.
This header contains the originating IP and which will be used for
IP-based checks if set in ispip.
This header contains also the originating HELO which will be used for
HELO- based checks.


This works for me since several years.

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