[b112]

You don't need a catch all for that, just give unique email addresses to each, and edit /etc/aliases.

NOTE: a few bits of info here, although someone mentioning ipchains means their comment is from an older time of course:

- use ipset for large sets of blocked IP addresses. That's what it's for, and it works well without slowdown, even on massive sets

- http://www.ipdeny.com/ipblocks/data/aggregated

This is a nice list of IP addresses broken down by region. Handy do download weekly, or monthly, and then dump into ipset.

- firehol is also a nice list to use, eg:

https://raw.githubusercontent.com/ktsaou/blocklist-ipsets/ma...