Suppress email sent from OMD

Troubleshooting
1

CMK version: 2.2.0p16
**OS version: Linux Ubuntu 22.04.3 LTS **

hello

I configured email notification from CheckMk and it works fine.

But I have in parallel emails from OMD I guess, which is not well configured (from: address) and spam the smtp server .

How to disable these emails ?

example :

Dec 29 11:52:09 checkmk postfix/qmgr[52747]: EE8876906F: from=<monitoring @checkmk>, size=790, nrcpt=1 (queue active)
Dec 29 11:52:10 checkmk postfix/smtp[689393]: EE8876906F: to=<xxxxx @gmail.com>, relay=smtp .free.fr[212.27.48.4]:587, delay=0.13, delays=0.04/0/0.08/0.01, dsn=5.5.2, status=bounced (host smtp.free.fr[212.27.48.4] said: 504 5.5.2 <monitoring @checkmk>: Sender address rejected: need fully-qualified address (in reply to RCPT TO command))
Dec 29 11:52:10 checkmk postfix/cleanup[689391]: 16BFC690E7: message-id=<20231229105210.16BFC690E7 @ checkmk>

thx

2

Hi Pascal,

if you haven’t configured a fallback email address in the CMK UI, then you might want to check the contents of these mails to figure out where they originate from.

You can do this by issuing the following command: postcat -q EE8876906F (eg to view the mail from your log output)

Lmk if this helped.

– Simon

3

Hello

as the email is removed from the queue (even if not delivered) I cannot find the originate with postcat

I removed fallback adress from CMK UI but still have some emails from “monitoring@checkmk”

Pascal

4

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