Member for 12 years, 8 months
Last seen more than a month ago
Server header: Just like how your computer sends its OS, browsers and capabilities with an HTTP request, a server sends them also with it's response. You can use a tool like this to see a server's ...
Now I know I said setting up a ULA was not an option but it is actually far easier than I thought. You do not need to publish the prefix. And no other address in the ULA subnet even needs to exist ...
Most spam filters use a learning algorithm. So your domain will be filtered as spam if your other customers are marking them as spam. So if you don't annoy your cusomters with your emails then there ...