Strategy for old mails in SPAM (auto-learning) folder?
I currently have about 850 messages in my fastmail spam folder.
There were times I kept all of them (> 5k ?), but because of inbox size issues I had to clean it about a year ago.
Again, I would like that my spam folder doesn't grow to large (by deleting messages), but still is effective in spam filtering (using the fastmail auto-learning feature).
Is there a particularly good strategy to keep the size of my spam folder under control?
Just remove the ones that are over a year old?
Or maybe the learning is even more effective if I just keep the ones that are e.g. maximum 6 months old, so more recent spam message relatively weight more in the whole personal spam "database"?
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