[Buildroot] Being kicked-off the mailing list

[Buildroot] Being kicked-off the mailing list

[Edgar Bonet]

Hello everybody!

This must be the third time it happens, and I find it somewhat
annoying... This morning I received an e-mail from buildroot-request
informing me that my membership to this mailing list has been disabled
due to “excessive bounces”.

I tried to investigate and it turns out that “excessive bounces”
actually means that exactly one message bounced, namely the message
titled “Your mailbox is full” from Storage Accounts[1]. I discussed the
issue with my e-mail provider and they say that bouncing messages that
are 100%-certain phishing attempts is the desired behavior, and they
will not disable the junk-mail filter, which is already very lax.

Would it be possible to configure Buildroot's mail server to be a bit
more tolerant to bounces? I understand the need to unsubscribe addresses
that generate too many errors, but I find this “kick-out on first
bounce” policy a bit extreme.

Regards,

Edgar Bonet.

[1] https://lists.buildroot.org/pipermail/buildroot/2024-March/688269.html
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Re: [Buildroot] Being kicked-off the mailing list

[Peter Korsgaard]

>>>>> "Edgar" == Edgar Bonet <bonet@grenoble.cnrs.fr> writes:

 > Hello everybody!
 > This must be the third time it happens, and I find it somewhat
 > annoying... This morning I received an e-mail from buildroot-request
 > informing me that my membership to this mailing list has been disabled
 > due to “excessive bounces”.

 > I tried to investigate and it turns out that “excessive bounces”
 > actually means that exactly one message bounced, namely the message
 > titled “Your mailbox is full” from Storage Accounts[1]. I discussed the
 > issue with my e-mail provider and they say that bouncing messages that
 > are 100%-certain phishing attempts is the desired behavior, and they
 > will not disable the junk-mail filter, which is already very lax.

 > Would it be possible to configure Buildroot's mail server to be a bit
 > more tolerant to bounces? I understand the need to unsubscribe addresses
 > that generate too many errors, but I find this “kick-out on first
 > bounce” policy a bit extreme.

Sorry about that. I have bumped the mailman bounce_score_threshold from
5 to 10, hopefully that fixes it.

The documentation for that setting is:

Each subscriber is assigned a bounce score, as a floating point
number. Whenever Mailman receives a bounce from a list member, that
member's score is incremented. Hard bounces (fatal errors) increase the
score by 1, while soft bounces (temporary errors) increase the score by
0.5. Only one bounce per day counts against a member's score, so even if
10 bounces are received for a member on the same day, their score will
increase by just 1. This variable describes the upper limit for a
member's bounce score, above which they are automatically disabled, but
not removed from the mailing list.

I have also lowered bounce_info_stale_after from 3 to 1. The
documentation for that setting is:

The number of days after which a member's bounce information is
discarded, if no new bounces have been received in the interim. This
value must be an integer.

-- 
Bye, Peter Korsgaard
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Re: [Buildroot] Being kicked-off the mailing list

[Edgar Bonet]

Peter Korsgaard wrote:
> I have bumped the mailman bounce_score_threshold from 5 to 10,
> hopefully that fixes it.

Thank-you very much for your prompt response!

> The documentation for [bounce_score_threshold] setting is: [...]

That's weird. The original setting doesn't seem very harsh... Anyway, we
will see how it turns out. I will report back if it happens again.

Bye,

Edgar Bonet.
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