Assign the key with the given fingerprint to your subscription. It is not possible to set an empty fingerprint. To unset your fingerprint use `x-unset-fingerprint`.
**x-unset-fingerprint: person@example.org**
Remove the fingerprint associated with your subscription.
#### Example: Updating you key for a list
All commands to switch to a **new** key must be signed with the current **old** key.
: Assign the key with the given fingerprint to your subscription. It is not possible to set an empty fingerprint. To unset your fingerprint use `x-unset-fingerprint`.
```
A successful answer should look something like this:
> Fingerprint for youraccount@yourmail.net set to 12345678DEADBEEF12345678DEADBEEF12345678.
From now on, all mails will be encrpyted to the **new** key
and all your mails must be signed with this key.
x-unset-fingerprint: person@example.org
: Remove the fingerprint associated with your subscription.