[Dovecot] stopping dictionary attacks (pop3)

[Noel]

On 9/4/2013 6:57 PM, other at ahhyes.net wrote:
>
> I've had to resort to firewalling off the pop3 port to my ISP
> subnets and any subnets of ISP's
> I use when I am on the go.
>
> This will work for me since it's a personal server with only a few
> external users.
> Operators of shared hosting servers certainly wont have that luxury.

On my personal sever I use http://www.ipdeny.com/ cidr blocks to
only allow the countries where users are expected to be.  Obviously
not a solution for an ISP...


  -- Noel Jones