@@ -33,6 +33,8 @@ Just blocking these messages outright will break some mail setups. Basically, t
There is an esoteric case where the From: line contains multiple addresses. See the conversation on the [mailing lists](running-mailing-lists) page for more.
There are changes when receiving email from the Internet bridge; see [operation](operation) for more.
# On-disk encryption
NNCP protects the messages while in transit. At the sending and destination servers, however, they may be stored in plaintext in places like the Exim queue and user's home directories. This is the same as with typical mail systems, since this IS a typical mail system, just with different transport. If this is an issue for you, storing the `/persist` volume on a LUKS-encrypted filesystem may be a good plan, or you can use OpenPGP or other encryption.
