francis picabia writes:

> On second thought what we needed is similar, but probably:
>
> SENDER_HEADERS = ('from')
>
> Would there be problems "from" this?

Yes; anybody who can reach your MTA can very easily spoof an internal
address in from, although even the envelope sender is not hard to
spoof (as you already have experienced).

Maybe you should just firewall kijiji completely.

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