Dear Faiz,
In message 04e0144c-cad3-d242-0393-ba33afa3dd7a@ti.com you wrote:
I am in the cc list of your first mail, but not from Simon's reply mail.
So Peng got the email but the list is dropping CCs after it gets them. How do I avoid this in the future? Should I always add maintainers in To?
We are investigating this. I _think_ (but this needs to be verified, I just had a short look) that Mailman might try to bee too clever; my speculation is that it might remove addresses from the Cc: list wich have the "nodupes" option set in their profile. Maybe mailman "thinks" that this is what it should do - otherwise the recipient would receive dupes at least for a reply-to-all, one trough the mailing list and the other through the Cc:
But as mentioned, this needs to be investigated.
I can see this ancient bug report [1], where a reply reads:
In any case, this behavior is intentional by design. Cc: recipients who are list members with their 'avoid duplicates' option set are removed from the Cc: list to keep that list from growing excessively in long threads with many 'reply-all' replies.
[1] https://bugs.launchpad.net/mailman/+bug/1216960
So apparently a solution/workaoround could be to globally remove the "nodupes" option for all subscribers, but I'm not sure if this is what we should do.
I feel the key problem here is that we expect something from the mailing list that it has not been designed for - the differentiation between "this is just some random posting" and "this is a posting which is specifically addressed to you". this may or may not work, and it depends on several factors - how the mailing list tool works, and how the recipient filters his incoming e-mail.
But I don't have any clever solution either.
Best regards,
Wolfgang Denk