Mailing List Message #106527
From: Karl Zander <>
Subject: Re: Block IP blocks at IP level
Date: Tue, 15 Aug 2017 09:11:02 -0400
To: CommuniGate Pro Discussions <>
X-Mailer: CommuniGate Pro WebUser v6.1.13

This may be a place to start.

Shows different syntax for listing IP ranges and works below the listener level.


On Tue, 15 Aug 2017 22:30:42 +1000
 Shaun Gamble <> wrote:
>I know we can block individual IPs at the listener level but I am currently watching thousands of incoming streams from rotating blocks all sending emails to one user address. This user had a vacation message and as every single email had a different return email address, our server was starting to blast another mail server.
>If I had the ability to block a range of IPs rather than individual IPs I would not have to sit here at 10:24pm at night after being our to dinner. If I could just place 1.2.3.* in the IP level blocking, I'd be asleep by now.
>However, I have to say I am really quite impressed with how robust CGP is under this current attack. I know it is an attack on another mail server of which I am probably one of many experiencing this tonight, to see my server not skipping a beat (other than the 10000 odd vacation msgs sitting in the queue of which I was able to delete all in three clicks) is impressive.
>After many alcoholic beverages, I would like an easy option to block a large range of IPs from attempting a connection. Please???
>CGP 6.1.16 (test .18) on Windows 2012 x64.
>Fitzroy Island <>
>Destination Darwin NT <>
>MOM Backpackers <>
>Value Inn Hotel <>
>Please do not send any unsolicited email. It is not wanted.
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