I would like to be able to run a SMTP server on port 25, but my ISP blocks it. Is there a way to use a different. I'm running XAMPP Mercury.
I have a basic understanding of how domains work, and would like to fill in some gaps. Lets say you make a server request for google.com how do you get the IP Address? Do you request your ISP, ...
There are a lot websites where you upload file and many people download it. I guess these servers are located in ISP where the transfer is very cheap, I guess Europe, because US has expensive transfer ...