metrics not consistent about postfix_exporter HOT 3 OPEN

I understand that you're getting the metrics on your setup, but mine don't even show up in the /metrics path.

I've uploaded two postfix logs in issue #6, maybe this will help to diagnose what part of the logs aren't parsed.

Thank you.

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Hey @deajan, I think yes, logs would be helpful to test the exporter against and see what's going wrong.

Also, I do not have at all any postfix_lmtp* metrics.

In my dashboard I have the following query for incoming messages and it seems to work good: increase(postfix_lmtp_statuses_total{host="***", status="sent"}) or on() vector(0). So it's pretty strange.

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@deajan Can you please check whether you've got postfix_smtp_delay_seconds_sum and postfix_smtp_delay_seconds_count values for summary labels with NaNs?
It seems like summary values (which postfix_smtp_delay_seconds are) are only valid for 10 minutes by default and it's pretty standard, so if you have *_sum/*_count values at least, it's okay.

Also, I've found LMTP log records in one of the log files (looking for lmtp.+status=) and their metrics appeared correctly when tested against that file.

Unrelated: from your logs I've discovered Recipient address rejected: Rejected by SPF NOQUEUE reject message should be trimmed down to avoid raw addresses in labels, I'll work it out.

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