Need to check for open relay servers, here is the script I wrote in perl to auto check from a list of IPs or Hostnames.
The hardest part was to …
Postfix Email System
Mail Agents
MUA Mail User Agent –
Create new emails, and Read email. Ex.: Thunderbird,Evolution,Outlook,etc..
MTA Mail Transfer Agent –
Distribute the emails to other MTAs or Locally. Examples: Postfix…