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Retention Policy - Delete all but the most recent 10 messages
I have created an IMAP folder and set the Retention Policy to "Delete all but the most recent 10 messages".
When I copy in 10 messages from this month and 1 message from 5 months ago, in that order, one of the messages from this month is subsequently deleted by the retention policy, rather than the oldest message by date.
I am having trouble finding documentation on what should be the expected behaviour. Should I expect messages to be deleted oldest to newest by message date, or deleted according to the order they are copied to the IMAP folder as seems to be the case?
I have created an IMAP folder and set the Retention Policy to "Delete all but the most recent 10 messages".
When I copy in 10 messages from this month and 1 message from 5 months ago, in that order, one of the messages from this month is subsequently deleted by the retention policy, rather than the oldest message by date.
I am having trouble finding documentation on what should be the expected behaviour. Should I expect messages to be deleted oldest to newest by message date, or deleted according to the order they are copied to the IMAP folder as seems to be the case?