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[Qemu-arm] Llist misconfiguration
From: |
Jerry Stuckle |
Subject: |
[Qemu-arm] Llist misconfiguration |
Date: |
Thu, 8 Jun 2017 14:19:00 -0400 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 |
All,
OK, I finally figured out why my server was bouncing some messages from
this list (which lead to my having to renew my membership).
The bottom line is - the list is misconfigured, as alluded to in RFC6376.
The problem lies when the originator of the message is from a domain
which has implemented DKIM on their server. On sending, the originating
MTA creates a hash from the message and stores it in the header.
When the mail list sends the message on, it keeps the from: as the
originator. However, it either does not send the hash or the hash has
changed due to the message changing. I can't tell which because our
email servers reject invalid DKIM signatures.
What other mailing lists have done (and the correct way) is to change
the from: header to come from the list, and have the originator in a
ReplyTo: field.
Maybe it doesn't seem like a problem now, but I'm seeing more and more
companies implementing DKIM and more and more of those are rejecting
invalid DKIM signatures.
Jerry
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