[MlMt] Feature request: "Reset/Delete 'High Priority' Flag"

[Eric Sharakan]

Isn't the solution for TJ as simple as having a dedicated header column 
for priority, separate from "flag"?  So you don't "turn off" the 
priority setting, you just choose not to display it.

-Eric

On 14 Nov 2018, at 9:52, Bill Cole wrote:

> On 13 Nov 2018, at 13:38, TJ Luoma wrote:
>
>> We all know these folks… they may be friends, loved one, or even
>> co-workers… but there are just some people who seem unable to send 
>> out
>> an email without labelling it as HIGH PRIORITY.
>>
>> Of course, that almost instantly makes their messages seem _not_ high
>> priority, because if everything is an emergency, then nothing really
>> is.
>>
>> I would love it if MailMate could allow me to turn off the HIGH
>> PRIORITY flag in emails that I receive which I deem to be not HIGH
>> PRIORITY.
>>
>> I don't want to turn off the entire column because I do sometimes use
>> regular flags to highlight messages.
>
> I agree completely, and I hope Benny comes up with an implementation.
>
> However, there is a quirk with this misfeature of email which explains 
> why changing the "Priority" isn't universally implemented: it is not 
> an IMAP keyword (which would be a local receiver-set value.) Instead, 
> it is set by the sender adding one or more non-standard headers: 
> X-Priority, Priority, X-Importance, Importance, or X-MSMail-Priority. 
> I don't know which of these MailMate specifically honors but they all 
> share the same problem: as headers they are an internal part of the 
> delivered message, which an IMAP server must never modify.
>
> So, unsetting the 'Priority' requires the IMAP client (MailMate) to 
> reconstruct the message without whichever header(s) it is honoring and 
> store it and then to delete the original. This means the client has to 
> do more housekeeping on the state of a message and it means that other 
> clients could catch the server in a state where both messages exist.
>
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