Re: [Asrg] Adding a spam button to MUAs

Alessandro Vesely <vesely@tana.it> Thu, 10 December 2009 18:47 UTC

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Date: Thu, 10 Dec 2009 19:46:51 +0100
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Subject: Re: [Asrg] Adding a spam button to MUAs
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Dan Oetting wrote:
> On Dec 9, 2009, at 3:24 PM, John Levine wrote:
>> the POP spec says quite clearly 
>> that once the message is deleted from the server, the UIDL is no 
>> longer valid.  It'd be a significant change to POP.
>
> This is the same as with the IMAP server. If a message is deleted from 
> the server it can no longer be reported to that server as junk. When the 
> user configures junk reporting on the MUA, the user would get notice of 
> this requirement and can configure the retention period which is also a 
> function of the MUA.

IMAP requires no special arrangements, since it may use BURL (RFC 
4468, and Lemonade enhancements) if bandwidth is a problem. A message 
may be moved to a junk folder before reporting it, for limited 
retention issues.

For POP3, I see no way but resending the whole message.