[Linux-aus] more about DKIM and mailing lists

Russell Coker russell at coker.com.au
Tue Jul 25 17:51:10 AEST 2017


I've just written a blog post about DKIM and mailing lists after re-reading 
the discussions on this list and others.


In Dec 2013 DKIM problems were reported regarding the LCA2014 chat list.


In Jan 2016 we had discussions about DKIM (PSA: Messages sent through LA 
mailing lists being	classified as SPAM) and SPF.


Also in Jan 2016 I asked Julian De Marchi how long it would take to fix them 
given the ongoing discussion since 2015.  At the time Steve Walsh explained 
that moving away from VPAC and some other technical issues were taking their 


In Jan 2017 we had another list discussion about this.

Below are the latest DKIM failures from Linux Australia list mail.  It's been 
almost 4 years since we first started having discussions about this.  I've 
cited 3 public discussions about it, there was also another lca-chat 
discussion that Google didn't turn up as well as a discussion in 2015 that was 

Jul 25 15:07:59 smtp opendkim[495]: 76E01F1C9: s=default d=nerdvana.org.au SSL 
error:04091068:rsa routines:int_rsa_verify:bad signature
Jul 25 15:07:59 smtp opendkim[495]: 76E01F1C9: bad signature data
Jul 25 15:07:59 smtp postfix/cleanup[20960]: 76E01F1C9: milter-reject: END-OF-
MESSAGE from mailhost.linux.org.au[]: 5.7.0 bad DKIM signature 
data; from=<linux-aus-bounces at lists.linux.org.au> to=<russell+linux-
aus at coker.com.au> proto=ESMTP helo=<mailhost.linux.org.au>

On Fri, 15 Jan 2016 03:41:01 PM Julian De Marchi wrote:
> In regards to DKIM, we will try and understand the issue more before 
> implementing any changes.

How much more understanding is needed?

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My Documents Blog    http://doc.coker.com.au/

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