Sendmail log question?

[Knute Johnson]

Can anybody tell me what the message in the log below is about and 
means?

Thanks

SENDMAIL CONFIGURATION
 ----------------------

 No active milter filters


 **Unmatched Entries**
    --- 334 PDIyNDAzMjI5MDAuMjA2OTA0NkB3d3cua251dGVqb2huc29uLmNvbT4=: 
1
    Time(s)

 ---------------------- sendmail End ------------------------- 


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Knute Johnson
Molon Labe...