Thanks for the writeup. Very interesting.
> Many mail servers (e.g. Gmail) require you to have reverse DNS that matches your forward DNS
What does this look like on a technical level, ie records and whatnot? I'm not super familiar with reverse DNS.
> Many mail servers (e.g. Gmail) require you to have reverse DNS that matches your forward DNS
What does this look like on a technical level, ie records and whatnot? I'm not super familiar with reverse DNS.