GMail DMARC : 'ezmlm warning' - '550-5.7.1 DMARC policy. ... of google.com domain' not considered an authorized sender ?

[Florian Weimer]

On 04/28/2017 08:11 AM, Florian Weimer wrote:
> On 04/26/2017 01:05 AM, Jason Vas Dias wrote:
>> Is this google's problem or your email sender's or my gmail settings ?
>> ( I can't see anything in Gmail settings about 'authorized senders' or 
>> anything.
>> Having a problem with your gmail sending account / or are authentications
>> for it sometimes transiently timing out ?
> 
> Google and Gmail (and Yahoo and others) broke mailing lists.  There 
> should be a vast amount of information available out there under the 
> topic of DMARC and mailing lists.  I don't know if the version of ezmlm 
> used on sourceware.org supports the usual workarounds for the breakage.

There may have been a misconfiguration which prevented the broken DMARC 
workaround from being applied to the libc-help list.

Florian