This is how to connect to another host with your docker client, without modifying your local Docker installation or when you don't have a local Docker installation.
First be sure to enable the Docker Remote API on the remote host.
This can easily be done with a container.
For HTTP connection use jarkt/docker-remote-api.
If you have ever attempted to create your own DKIM key for your own mail server you know it can be a daunting task. Every flavor SMTP DKIM configuration is a bit different. Though once you've gotten your SMTP server configured with your private and public key, the easiest part of the entire process should be to make the necessary changes at your DNS provider,right? Unfortunately, not all providers support automatically accepting 2048 bit DKIM keys and you are ready to bang your head against the wall. Why dont they support a 2048 bit key or larger? Well, their system wont automatically handle keys larger than 255 contiguous characters because they haven't updated their interfaces to handle RFC 4408. More on this in a bit.
If you are using DNS Made Easy like I was, you probably ran across the error when trying to enter your DKIM key.
"Contiguous strings may not be longer than 255 characters"
Thankfully, [DNS RFC 4408](https