The mailing list for listmasters using Sympa

[Matthew Caron <address@concealed>]

This quick fix works. Thank you Soji.

When I have a chance, I will look at the diff between .13 and .14 and
see if I can find the offending code.

On 03/24/2016 08:00 AM, IKEDA Soji wrote:
> Hi all,
> 
> This looping seems starting as of 6.2.13.  A quick fix is adding a line
> 
>   From: [%conf.email%]-request@[%conf.host%]
> 
> at the beginning of the file
> 
>   mail_tt2/delivery_status_notification.tt2
> 
> so that <sympa@myhost> address will not be used by Sympa to respond to 
> errors sent by another Sympa.
> 
> 
> Regards,
> 
> -- Soji
> 
> 2016/03/24 2:13、Matthew Caron (via sympa-users Mailing List) 
> <address@concealed> のメッセージ:
> 
>> Hello all,
>>
>> I'm having an interesting problem which I thought I'd share. Setup:
>>
>> 1. I have address@concealed as the email address which goes to queue.
>> (Which I will call the 'command address'. I am not sure what the
>> developers call it.) As in, this is what my exim aliases line looks like:
>>
>> sympa:          "| /opt/sympa/bin/queue sympa"
>>
>> 2. If some not nice person sends an email with a spoofed from, being
>> address@concealed to address@concealed, the mailing list sits there
>> talking to itself, replying back and forth that there are no commands in
>> the email, taking longer and longer to parse the email each time and
>> eventually pegging the CPU, until I break the chain by setting the alias
>> to be my email address and letting the failure come to me.
>>
>> I'd like to avoid this, but, in looking at the code (specifically
>> src/lib/Sympa/Spindle/ProcessIncoming.pm) it seems that the
>> loop_prevention stuff (specifically loop_prevention_regex) is only
>> applied in the case of the email going to a real mailing list, and not
>> to the control mailing list.
>>
>> I also note that, on replies from this email address, the X-Loop header
>> is not set, also because it's not on a mailing list (at least, that's
>> what it looks like happens in DoForward to me).
>>
>> Before I start hacking on the code, I wanted to ask if anyone had any
>> ideas. It feels like this is a solved problem and I'm missing something
>> very obvious, but after a couple of hours of looking through docs, I
>> don't have any solution.
>>
>> Thanks in advance.
>>
>>
>>
>> -- 
>> "When a self-governing people confer upon their government the power
>> to take money from some and give it to others, the process will not
>> stop until the last bone of the last taxpayer is picked bare."
>>                       -- Howard E. Kershner (Kershner's First Law)
>> PGP Key: http://www.mattcaron.net/pgp_key.txt
>> ~~ Matt Caron ~~
>>
> 

-- 
"When a self-governing people confer upon their government the power
to take money from some and give it to others, the process will not
stop until the last bone of the last taxpayer is picked bare."
                       -- Howard E. Kershner (Kershner's First Law)
PGP Key: http://www.mattcaron.net/pgp_key.txt
 ~~ Matt Caron ~~