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Some of them read like this:

23:08:45 [01038] Spam check results: [_SPAMASSASSIN: 12:25]

And some of them read like this:

22:02:38 [01034] Spam check results: [_SPAMASSASSIN: 0:0]
22:17:48 [01035] Spam check results: [_SPAMASSASSIN: 0:1]

What does the x:y notation mean?

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