I am looking for details of how to update the sendmail.cf and sendmail.mc so that Sendmail will refuse to accept inbound mail from any smtp host that does not have a resolvable reverse DNS entry. I found some code that may do it, but it does not seem to work -- maybe it's in the wrong location. Any help would be most appreciated.
In this expert guide, you’ll learn about the components of a Modern Data Center. You will use cases for the value-added capabilities of Veeam®, including combining backup and replication for VMware disaster recovery and using replication for data center migration.
Most of the applications these days are on Cloud. Cloud is ubiquitous with many service providers in the market. Since it has many benefits such as cost reduction, software updates, remote access, disaster recovery and much more.
Here's a very brief overview of the methods PRTG Network Monitor (https://www.paessler.com/prtg) offers for monitoring bandwidth, to help you decide which methods you´d like to investigate in more detail. The methods are covered in more detail in o…