how to block {RANGE IPs} in [Exim Configuration Manager] ??

[000]

hello,

this is our current Blacklisted SMTP IP addresses:



but which is the "line magic" for block any message from 23.247.57.X ???

thanks

PD we not want use:

csf -d 23.247.57.0/24 do not delete SPAM, August 30 2022

 

[cPRex]

Hey there! If you scroll down in that pop up box, you'll see the following details:

"You can use the following formats:

• Single IP addresses — Example: 192.168.0.1 and 2001:db8:1a34:56cf::
• A range of IP addresses — Example: 192.168.0.0/24 and 2001:db8:1a34:56cf::/64"

 

[000]

Hey there! If you scroll down in that pop up box, you'll see the following details:

"You can use the following formats:

• Single IP addresses — Example: 192.168.0.1 and 2001:db8:1a34:56cf::
• A range of IP addresses — Example: 192.168.0.0/24 and 2001:db8:1a34:56cf::/64"

ah!, thanks

annd where we can find manual/tutorial about CIDR ??

by example we want BLOCK any message from:

134.73.2*.*

becouse we get hundreds of emails SPAM from

134.73.254.177
134.73.210.172
134.73.208.231
134.73.208.240
134.73.210.181
134.73.210.185
134.73.210.171

then... really is correct:

134.73.0.0/24 ??

NO!, this filter block messages from

134.73.110.171

then how we can BLOCK the range 134.73.2*.* ??

where is a tutorial please?


thanks

 

[cPRex]

I would look up "subnet calculator" as there are many tools that will do that for you online.

 

[000]

I would look up "subnet calculator" as there are many tools that will do that for you online.

thanks master @cPRex