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Wilco

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I get this security issue: "05/Nov/2017 16:50:57] Too many simultaneous SMTP connections from 82.204.43.41" but this IP address is on my whitelist??

How can I prevent this?

Wilco


Kerio Connect 9.2.3 on Windows Server 2012 R2 (dutch)
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b-tom

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Quote:
How can I prevent this?


Block those IP addresses in your firewall and router. You could also use fail2ban.
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Wilco

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Maybe I did not make myself clear. The problem is that Kerio did not allow the IP address from my whitelist.

Kerio Connect 9.2.3 on Windows Server 2012 R2 (dutch)
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b-tom

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I'm sorry. I wasn't reading carefully enough.

Are you sure that the custom whitelist ip address group is selected on the content filter section for Blacklists, Caller-ID, SPF, greylisting....?
It sounds like somehow your ip address isn't listed.
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Wilco

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I have.
Later the mails did come thru from this IP address. So maybe an unlucky incident?

With regards,

Wilco

Kerio Connect 9.2.3 on Windows Server 2012 R2 (dutch)
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b-tom

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Sounds like a single issue? Maybe you didn't save your settings.

Do you still see this issue for new emails from that ip address?
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