Re: blocking 465 connections to mail server for specific IP address without using fail2ban

[john doe <johndoe65534@mail.com>]

> Hi,
>
> I've blacklisted quite a number of IP addresses and CIDR blocks from
> delivering email to my server with entries in the
> /etc/exim4/local_host_blacklist file.
>
> Is there any config file that I can easily use to block 465 login
> attempts from bad IP addresses and CIDR blocks?
>
> If there is no simple config file, what can I do without resorting to
> use of fail2ban so that I can use a curated list of blocked IP
> addresses.  I'm not sure I want to use iptables for this either.
>
> I /may/ end up blocking the IPs at the firewall (OPN Sense) level yet.
>
>

Instead of files, I probably would use 'ipset', that way, you can use
the ipset in exim iptables ...

--
John Doe