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All,

We use log4j for logging in our webapps, and I'm considering enabling
email notifications of errors. Not that it would ever happen (of
course!), but I want to avoid a situation where some bug is triggered
and thousands of log messages are emitted, each sent individually to me.

I checked the Javadoc for SMTPAppender and it looks like there is some
sort of buffering going on, but there appear to be very few options for
controlling the frequency of message sending (I'd probably want ~5
minute intervals or so).

It looks like I can use a TriggeringEventEvaluator coupled with a
background thread that, say, issues a "SEND EMAIL NOW" message at
intervals so flush whatever buffer exists in the appender.

Has anyone ever done anything like this before? If so, do you have any tips?

Thanks,
- -chris
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