>From the documentation that Jeremy quoted, I think that your script
should use "exit 0" and "exit 1" (or other non-zero value).
Your exim config snippet does not use $value in the match;
you need to do that or do the match in your script and use exit 0 *only
if there is a match*.
Interesting idea to use the whois database to detect spammers.
Since whois data has expiry info and doesn't change every day,
I wonder how easy it would be to cache the results.
whois isn't as easy to script as you may wish (Tony Finch
has a rant about this at
https://fanf.dreamwidth.org/113367.html
) but it may be sufficient for your use.
On Tue, 20 Feb 2018, Mueller via Exim-users wrote:
> So when I run Exim in verbose. It turns out the expansion is working, but
> nervertheless it points to false but it should be true?:
>
>
> 13:54:04 9383 processing "defer"
> 13:54:04 9383 expanding: run{/etc/exim/panama $sender_address_domain
> 13:54:04 9383 result: run{/etc/exim/panama timerunr.com
> 13:54:04 9383 expanding: NameCheap <-------------------------------------
> 13:54:04 9383 result: NameCheap
> <---------------------------------------
> 13:54:04 9383 condition: match{run{/etc/exim/panama
> $sender_address_domain}{NameCheap}
> 13:54:04 9383 result: false
> 13:54:04 9383 expanding: true
> 13:54:04 9383 result: true
> 13:54:04 9383 skipping: result is not used
> 13:54:04 9383 expanding: false
> 13:54:04 9383 result: false
> 13:54:04 9383 expanding: ${if match{run{/etc/exim/panama
> $sender_address_domain}{NameCheap}{true}{false}}
> 13:54:04 9383 result: false
> 13:54:04 9383 check condition = ${if match{run{/etc/exim/panama
> $sender_address_domain}{NameCheap}{true}{false}}
> 13:54:04 9383 = false
> 13:54:04 9383 defer: condition test failed
>
> So what is going wrong ?
>
>
>
>
> -----Ursprüngliche Nachricht-----
> Von: Jeremy Harris via Exim-users [mailto:exim-users@exim.org]
> Gesendet: Dienstag, 20. Februar 2018 10:35
> An: exim-users@???
> Betreff: Re: [exim] Get the value of an external script in a condition
>
> On 20/02/18 09:15, Mueller via Exim-users wrote:
>> #!/bin/bash
>> out=$(/usr/bin/whois $1|grep "Registrar:"| cut -d ':' -f2| awk '{print
>> $1}') echo "$out"
>>
>> I tried it with the $run command, but it uis always set to false!
>>
>> defer condition= ${if match{run{/etc/exim/panama
>> $sender_address_domain}{NameCheap}{true}{false}}
>
> The docs say:
>
> "If the command succeeds (gives a zero return code) <string1> is expanded
> and replaces the entire item; during this expansion, the standard
> output/error from the command is in the variable $value. If the command
> fails, <string2>, if present, is expanded and used."
> --
> Jeremy
>
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>
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