[sf-lug] South African Linux sites experiencing Ransomware attacks

[Rick Moen]

Before someone on the Spectrum decides to 'correct' my typo;

> My _understanding_ is that Exim4, just like Sendmail and BIND9, starts with
> root authority for the master process primarily so it can bind to a
> low-numbered port (24/tcp being the main SMTP port), 

25/tcp.