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Execute active Check manually
or For debugging reasons, it could be helpful to run the check manually. Therefore, you need to open the service site of the E-Mail service and search for 'Service check command'. Now you can use the command for executing the check manually.
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.png?version=1&modificationDate=1735827359413&cacheVersion=1&api=v2&width=1200 "Screenshot of where to locate the service check command within the screen.")
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| language | bash |
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| theme | RDark |
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| title | ~/lib/nagios/plugins |
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OMD[mysite]:~/lib/nagios/plugins$ ./check_mail_loop--pwstore=4@16@provider1,10@17@provider2 '--smtp-server=smtp.provider1.com' '--smtp-tls' '--smtp-username=user@provider1.com' '--smtp-password=*************' '--fetch-protocol=IMAP' '--fetch-server=imap.provider2.com' '--fetch-ssl' '--fetch-port=993' '--fetch-username=mail@provider2.com' '--fetch-password=*************' '--mail-from=user@provider1.com' '--mail-to=mail@provider2.com' '--delete-messages' '--status-suffix=localhost-Email Delivery' '--warning=120' '--critical=300' '--subject=Check_MK-Mail-Loop for Strato'
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tag login <username> <password> |
You can also use nmap for further debugging:
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root@mylinuxhost:~# nmap smtp.server.tld |
This command will show open ports, which will help us to identify which port we need to use in Checkmk:
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Starting Nmap 7.80 ( https://nmap.org ) at 2024-12-24 12:44 CET
Nmap scan report for smtp.strato.de (81.169.145.133)
Host is up (0.029s latency).
Other addresses for smtp.strato.de (not scanned): 2a01:238:20a:202:55f0::1133
Not shown: 994 closed ports
PORT STATE SERVICE
135/tcp filtered msrpc
139/tcp filtered netbios-ssn
443/tcp open https
445/tcp filtered microsoft-ds
465/tcp open smtps
587/tcp open submission |
More information can be found one Nmap's official site.
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