The mailing list for listmasters using Sympa

["Stefan Hornburg (Racke)" <address@concealed>]

On 21/07/2022 12:12, Lorenz, Sabine (SCC) wrote:
> Hi all,
>
> Sympa offers the possibility to activate tracking for a list and Sympa 
> requests a delivery status notification.
>
> Does this mode DSN work for anyone of you with exim?
>
> We are currently using Sympa version 6.2.60~dfsg-4 and Exim version 4.94.2-7 
> and on our server no emails are sent to list subscribers when DSN tracking 
> mode is enabled.
Hello Sabine,

Exim 4.94 introduce strict checking for tainted values, so it is possible 
that your problem is caused by that.

Can you share your Sympa related Exim configuration?

Regards

            Racke



> For this reason, on our production server, we have set the hidden value for 
> tracking in edit_list.conf so that list owners can no longer select this 
> option.
>
> On the test server, after enabling the log_smtp parameter, I see the 
> following line in the Sympa log showing which sendmail process Sympa is 
> starting:
>
> Jul 21 11:27:03 lists-test.scc.kit.edu bulk[148468]: notice 
> Sympa::Mailer::store() Forked process 152576: /usr/sbin/sendmail -oi -odi 
> -oem -N success,delay,failure -V000036 -f 
> 'address@concealed' -- 
> address@concealed
>
> However, this process cannot be handled correctly by Exim (especially the 
> parameter -N seems to be a debugging option with Sympa, which results in no 
> mail being sent):
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii <= address@concealed U=sympa 
> P=local S=37728 address@concealed from 
> <address@concealed> for success delay failure -V00000036 -f 
> address@concealed -- 
> address@concealed
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii ** --@lists-test.scc.kit.edu: 
> Unrouteable address
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii ** -address@concealed: 
> Unrouteable address
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii ** -address@concealed 
> <-address@concealed>: Unrouteable address
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii ** address@concealed: 
> Unrouteable address
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii ** address@concealed: 
> Unrouteable address
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii ** address@concealed: 
> Unrouteable address
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii *> | /usr/lib/sympa/bin/bouncequeue 
> address@concealed 
> <address@concealed> 
> R=sympa_verp_bounces_virtual T=sympa_pipe_bounces_virtual
>
> 2022-07-21 11:27:03 1oESSV-000dgu-Ii *> address@concealed 
> R=dnslookup_change_signature T=remote_smtp H=smarthost.kit.edu [2a00:1398:b::8d03:87b1] 
> C="delivery bypassed by -N option"
>
> According to the Sympa documentation on the 
> https://sympa-community.github.io/gpldoc/man/sympa_config.5.html#sendmail_args
>  page, the -N parameter is passed by Sympa, but this seems to have a 
> different function with Exim than with Sendmail.
>
> Do any of you have experience tracking email with Exim and does DSN mode work 
> for any of you with Exim?
>
> Kind regards,
>
> Sabine
>
> ----------
>
> Karlsruher Institut für Technologie (KIT)
> Steinbuch Centre for Computing (SCC)
>
> Sabine Lorenz
>
> Hermann von Helmholtz Platz 1
> 76344 Eggenstein-Leopoldshafen
>
> Telefon: +49 721 608-28633
> E-Mail: address@concealed <mailto:address@concealed>
> www.kit.edu/scc <http://www.kit.edu/scc-Adresse>
>
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>
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