On Tue, 6 Dec 2016, Zakrzewski, Jakub wrote:
my company has applied a very strict spam filter and all the mails from this
list are marked as SPAM ever since. The reason is DKIM check failure.
Is there anything you can do to correct it?
First, DKIM is a system that *hates* mailing lists so there are no nice ways
around it.
You can see that mailman as configured at cool.haxx.se will sometimes rewrite
the From: line for certain outgoing emails, to say "Name via curl-library" and
provide the email address of the list instead of the person's own address. It
does this for people whom it has determined has a DKIM profile that would make
receivers otherwise reject the email saying it is forged.
Why you experience DKIM problems is hard to tell without knowing more details.
I would probably recommend that you simply add a filter and auto-mark emails
from the curl mailing lists as non-spam. We get very few actual spam through
to these lists thanks to our filtering system.
--
/ daniel.haxx.se
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