On 2022-01-11 03:29, Jaroslaw Rafa via mailop wrote:
Dnia 10.01.2022 o godz. 19:30:02 Dave Warren via mailop pisze:
How would it know the difference if it was Thunderbird, or the user?
You can guess by timing.
If the message is moved to spam folder immediately after being fetched by
client, then it is an automated filter action. If there is at least a few
seconds delay, then it is probably the user manually moving the message into
spam folder (the user needs some time to look at least at the subject of
the message and click the appropriate button).
It's a start. But I don't think it can be particularly reliable since
IMAP allows multiple connections to a mailbox and can't link a
particular connection to a particular client.
For example, it is quite reasonable to make connections that check a
folder and use IDLE in that folder while other connections service
explicit user actions (regardless of folder).
And I suspect most users use more than one client at the same time
(mobile clients don't magically disconnect when you start your
desktop/laptop client). Plus all the server-based "assists" that so many
mobile clients use.
I suspect one could study enough mail clients to figure it out, and I
don't really even know how many behave poorly out of the box or can be
configured to perform automated actions.
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