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Email Archive Failure Mode

posted on February 12, 2021

I just solved an problem with email archive. The service was stopping for no reason that I could detect, and didn't post any messages to the event log. I solved the problem by restarting the server, so I blame my server, not the Laserfiche software for the fact that it failed.

What did concern me is how it behaved before I restarted the server. Every time I started the service, it would delete one message from the monitored folder, and not do anything with it. The service was configured to move the message to another email folder after reading it, as well as loading it into my repository.

It seems that it should be possible to architect the service so that no failure would ever delete a message before putting it somewhere else. If a failing server causes the the service to misbehave I would far rather have duplicate information than missing information. Duplicate information is generally both detectable and recoverable. Missing information is neither.

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replied on February 15, 2021

Hi, 

Are you using the SMTP method or IMAP method? If you're using the SMTP method, I would strongly encourage you to switch to the newer and more reliable IMAP method introduced in Import Agent 10.4. More explanation at the links below:

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replied on February 15, 2021

Thank you for the reply. I'm definitely using IMAP.

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replied on February 17, 2021

I see. I have passed your observations along to the relevant development team. If it happens again or you wish for help investigating your issue further, please open a support case with your Solution Provider. 

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replied on February 18, 2021

After I wrote this original post, I noticed that Import Agent creates a new "working" folder on the Exchange Server as a subfolder of the one it's monitoring. Very likely the "deleted" email were moved to the working folder rather than being deleted outright. If so, that would satisfy my basic concern about not losing information. I'm in the middle of a high-pressure project right now so can't check it out, but my concern may be caused by my own ignorance in this case. blush

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replied on February 18, 2021

No worries at all! I appreciate the update! smiley

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