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Preservation of $spam_action variable
The documentation says:

"When the spam condition is run, it sets up a number of expansion
variables. Except for $spam_report, these variables are saved with the
received message so are available for use at delivery time."

https://www.exim.org/exim-html-current/doc/html/spec_html/ch-content_scanning_at_acl_time.html#SECID206

It seems that that "spam_action" isn't preserved either:

https://github.com/Exim/exim/blob/master/src/src/spool_out.c#L238

I'm I missing something, or is this just an omission from the docs?

Paul






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Re: Preservation of $spam_action variable [ In reply to ]
On 22/03/2021 16:35, Paul Warren via Exim-users wrote:
> The documentation says:
>
> "When the spam condition is run, it sets up a number of expansion variables. Except for $spam_report, these variables are saved with the received message so are available for use at delivery time."
>
> https://www.exim.org/exim-html-current/doc/html/spec_html/ch-content_scanning_at_acl_time.html#SECID206
>
> It seems that that "spam_action" isn't preserved either:
>
> https://github.com/Exim/exim/blob/master/src/src/spool_out.c#L238
>
> I'm I missing something, or is this just an omission from the docs?

Looks like the latter. The variable was added in 2015, postdating
the merge of EXISCAN in 2004, and there was no code in that commit
(c5f280e20a) passing it via the spool.

I could touch up the docs, or just add the code (if you want to
do the latter yourself, it's pretty obvious for both the reading
and writing sides). I'm assuming it's likely to be a short string.
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Cheers,
Jeremy

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Re: Preservation of $spam_action variable [ In reply to ]
Hi Jeremy,

On 22/03/2021 16:54, Jeremy Harris via Exim-users wrote:
> On 22/03/2021 16:35, Paul Warren via Exim-users wrote:
>> It seems that that "spam_action" isn't preserved either:
>>
>> https://github.com/Exim/exim/blob/master/src/src/spool_out.c#L238
>>
>> I'm I missing something, or is this just an omission from the docs?
>
> Looks like the latter.  The variable was added in 2015, postdating
> the merge of EXISCAN in 2004, and there was no code in that commit
> (c5f280e20a) passing it via the spool.
>
> I could touch up the docs, or just add the code (if you want to
> do the latter yourself, it's pretty obvious for both the reading
> and writing sides).  I'm assuming it's likely to be a short string.

Thanks for confirming.  It looks like the longest standard string is
"rewrite subject", so yes, not too long.

That said, at least for our purposes, the score is sufficient so just
tweaking the docs would be fine.

Paul


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