You should try using a Syslog server instead to capture router logs... But if you need to use SMTP, then any of them can be setup not to require auth, just don't select that option.. You will need to ...

Maintaining system performance and guaranteeing security depend on good log management. Centralizing, sorting, and analyzing log data from many devices and applications across a network greatly ...

I am setting up Splunk to monitor Syslog from all of my networking devices and Windows events and pretty much the entire environment for auditing and forensics. I will be using the Snare agent to send ...