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IMAP Sensor does not work if subject contains special characters like () and/or []?

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I use PRTG IMAP Sensor for a few Backupmails. Now I have the problem that it does not find any email in the mailbox which has () or [] in the subject. I tried with string search and regular expression. Could that be a problem? If I configure the Sensor to NOT search for subject, then it is becoming green.

It happens when looking for emails younger than 48hours. But there is one in the mailbox, but as I said with special characters in the subject. If I remove search for subject, it works.

regards Thomas

imap-sensor prtg subject

Created on Mar 8, 2016 4:31:58 PM



3 Replies

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I tested it. Seems to be fine. Must be a different problem.

Created on Mar 9, 2016 9:48:54 AM



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Hi Thomas,

I'll talk to the developer about this. Which version of PRTG are you currently running?

Kind regards.

Created on Mar 10, 2016 1:37:15 PM by Erhard Mikulik [Paessler Support]



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Hi Erhard

I think this thread is obsoleete. I am already in contact with your support (Thorsten Lindner at the moment) about my problem with the IMAP Sensor. It does not seem to be a problem with the subject. In fact I have no clue "wo der Hund begraben sein könnte" ;)

But I am running the newest version...always ;)

regards Thomas

Created on Mar 10, 2016 2:17:43 PM




Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.