[lug] keeping up with attacks

[Bucky Carr]

On 5/4/2019 8:56 AM, Michael J. Hammel wrote:
> What I want to know is if there is a site that tracks these kinds of
> events and offers mitigation ideas.  Surely others have seen this stuff
> and someone may have ideas on how to make their use less desirable to
> the other end.

Are you running any sort of pre-processor that does an RDNS lookup on 
the port 25 access attempts?