Suppose you’re a whistleblower, journalist, or activist and you’re not sure whether your online device has been compromised by Pegasus from Israel or FinSpy from Germany—in that case, YAMN outfiles are the right choice to create on a second, dedicated, air-gapped device.
The YAMN Mixnet is designed for anonymous emails or Usenet posts and allows you to send them with a long delay via a mix cascade.
YAMN is the successor to Lance Cottrell’s Mixmaster, and the YAMN Mixnet has been in operation for 14 years.
To create a YAMN outfile, we’ll use the yp tutorial by my friend Gabx.
After you’ve composed your email message using yp on your offline device, securely transfer it to your online device and send it either with Castor, the Nym Mixnet email and Usenet client, or with the Mixfit YAMN client, which also supports the Nym Mixnet.
As you can see, by using YAMN outfiles, an attacker cannot see where your emails or Usenet posts are sent, which is of the utmost importance if you need to communicate securely and require long latency times—something the Nym Mixnet, by design, cannot provide.
Even if you’re not a whistleblower, journalist, or activist, I really hope this small but important post helps you protect your email and Usenet communications as effectively as possible.
Happy Double Mixing! 
Best regards,
Ch1ffr3punk