Mike Cardwell wrote:
> To further expand on this. It appears that this technique does not
> "bypass" their filters, but gives the message a much higher likelyhood
> of passing them only.
>
Like I said before, mails sent through Outlook express pass and don't
need those overhead at all!
So i have no time to test now but analyzing some outlook express sent
header could give more information on this.Even though, like someone
said above, add outlook signature and headers could be potential risk.
> hotmail:
> driver = dnslookup
> domains = hotmail.com : hotmail.co.uk : hotmail.fr : hotmail.it :
> hotmail.de
> condition = ${if or{\
> {match{$h_References:}{\N^<BAY\d+-.+@phx\.gbl>$\N}}\
> {match{$h_In-Reply-To:}{\N^<BAY\d+-.+@phx\.gbl>$\N}}\
> }{false}{true}}
> transport = remote_smtp
> headers_add = ${readfile{/etc/exim4/hotmail_fodder.txt}}
> ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
> no_more
>
> The differences:
>
> 1.) There are more hotmail domains
> 2.) It doesn't execute if there are hotmail References or In-Reply-To
> headers as the mail will get through anyway
> 3.) Instead of calling the perl exe to generate the headers, stick them
> in a file and use readfile
>
> hotmail_fodder.txt contains the following:
>
> References: <BAY000-000000000000000000000000000@???>
> In-Reply-To: <BAY000-000000000000000000000000000@???>
>
> Followed by about 500 lines of these headers:
>
> X-Hotmail-Fodder:
> 0000000000000000000000000000000000000000000000000000000000000000000000000000000000
>
> Mike
>
>
Two questions: the file should be filled with about 450/500 of this line
X-Hotmail-Fodder:
0000000000000000000000000000000000000000000000000000000000000000000000000000000000 ??
And what is
phx.gbl?
thank you very much for this
