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Re: checkpointing (was: another per-recipient data reply proposal)

2007-02-14 10:35:48

On Mon, Feb 12, 2007, Tony Finch wrote:

On Sun, 11 Feb 2007, Claus Assmann wrote:

Checkpointing is "out" as it has (security) problems between untrusted

I don't think it has significant problems if you only use it for duplicate
elimination, i.e. without data checkpointing. Do you have any omissions to

As long as checkpointing is not a requirement for "per-recipient
data reply" but just mentioned as one possible solution to the
problem of duplicated mails, I'm fine with it. Requiring checkpointing
would keep people from implementing "per-recipient data reply" due
to the complexity of a possible checkpointing implementation.

The RFC should simply state that the problem mentioned in RFC 1047
requires that senders and clients at least properly obey the timeouts.