[Mailman-Users] mbox + references field
msapiro at value.net
Mon Jun 6 17:08:56 CEST 2005
Jean-Philippe GIOLA wrote:
>In the mailman mbox archives, there is sometimes a "References" field
>Why does this field not present for all mails ???
>when I say "present", I mean "present" for all answer to mails.
>I understand very weel that the first mail of a new thread can't have a
References: and In-Reply-To: headers are optional and are added to a
reply by the sender's MUA. Any particular MUA will add one, the other,
both or neither, although RFC 2822 says
Though optional, every message SHOULD have a "Message-ID:" field.
Furthermore, reply messages SHOULD have "In-Reply-To:" and
"References:" fields as appropriate, as described below.
Mark Sapiro <msapiro at value.net> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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