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[Fork] Redmine for b.r-l.o
https://bugs.ruby-lang.org/
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Email integration is not working after migrating mailmanlists #175

Closed hsbt closed 1 year ago

hsbt commented 1 year ago

https://bugs.ruby-lang.org/issues/19276

hanazuki commented 1 year ago

I have the following observations.

Email messages from b.r-l.o Redmine through ruby-core list currenlty have these header fields:

To: ruby-core@ml.ruby-lang.org
Reply-To: Ruby developers <ruby-core@ml.ruby-lang.org>
From: "hsbt (Hiroshi SHIBATA) via ruby-core" <ruby-core@ml.ruby-lang.org>
Cc: "hsbt (Hiroshi SHIBATA)" <noreply@ruby-lang.org>

Therefore when the list's subscriber hits the Reply All button on their mailer, it sends a message to these mailboxes:

To: Ruby developers <ruby-core@ml.ruby-lang.org>
Cc: "hsbt (Hiroshi SHIBATA)" <noreply@ruby-lang.org>

This results in a bounce message that indicates noreply@ruby-lang.org does not exist.

I suppose we need to set the correct email address to Cc: or completely remove it.

hsbt commented 1 year ago

/cc @shugo

hsbt commented 1 year ago

@hanazuki Thanks for your investigation.

This Cc header is added by mailmanlists for DMARC mitigation. mailmanlists replaced from header with mailing-list address and reuse from address to Cc header.

I replaced from header at bugs.ruby-lang.org for mitigating DMARC. We may remove bounced Cc header now.