[GitHub] [incubator-ponymail] sebbASF edited a comment on pull request #517: Add DKIM style ID generation

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sebbASF edited a comment on pull request #517:
URL: https://github.com/apache/incubator-ponymail/pull/517#issuecomment-692002181


   No, if the link is not known, then clearly it does not have to be reconstructed at that time.
   
   However if all the archives are available, they can all be reloaded.
   If a different lid suffix is used (for mails with no List-Id header), that does not matter because the hash prefix will still be the same, so if the Permalink turns up later it will have the same prefix and can thus be found.
   
   ==
   
   I don't understand the part about DKIM and de-duplication across lists.
   I thought the hash included the List-id etc as input, so it will only de-duplicate mails sent to lists without such headers?
   
   I don't think it's possible to share message content across lists, because the sources will have different headers.
   This is true even if no List-* headers are involved.
   
   The current design does share attachments, but there is no attempt to share any other parts of messages. Doing so would require a redesign, and I'm not sure it would be worth the extra complication and house-keeping.
   


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