[squid-users] problem with squid-users maillist

Hello,

Due to DMARC policy of several domains some mail is blocked (see an
example below).

I suppose maillist software ( ezmlm ) needs some tuning, it must
forward email to list with own sender address ( @squid-cache.org ).

An example:

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Return-Path: <>
Received: (qmail 8574 invoked for bounce); 9 Aug 2014 15:48:22 -0000
Date: 9 Aug 2014 15:48:22 -0000
From: MAILER-DAEMON_at_squid-cache.org
To: squid-users-return-123504-_at_squid-cache.org
Subject: failure notice

Hi. This is the qmail-send program at squid-cache.org.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<motienko_at_gmail.com>:
74.125.142.27 failed after I sent the message.
Remote host said: 550-5.7.1 Unauthenticated email from yahoo.com is
not accepted due to domain's
550-5.7.1 DMARC policy. Please contact administrator of yahoo.com domain if
550-5.7.1 this was a legitimate mail. Please visit
550-5.7.1 http://support.google.com/mail/answer/2451690 to learn about DMARC
550 5.7.1 initiative. o17si27260806icl.100 - gsmtp

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-- 
Regards,
Oleg