my first test

Joe Nelson joe at
Tue Sep 25 14:58:38 UTC 2018

> After considering all this, I think the Sender field's true role is for bounce processing:

Sorry for this email flood, but wanted to add that I remembered the RFC5321.MailFrom ("envelope from") is what would handle directing bounce notices. Maybe the sender header is just a courtesy to highlight that the message was relayed, and is not necessary either for group replies to work or for bounce processing. 

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