The message window is displayed when you receive a message.
[From]
The Jabber ID of the sender of the message.
[Date]
The date and time at which the message was sent.
[To]
The Jabber ID of the intended receiver of the message (yourself).
[Subject]
The title of the message.
[Cipher information]
Whether the message is signed (if it is, how the signature is verified),
encrypted or not, expressed in one of the following pictographs and a
message.
[None]
The message is neither signed nor encrypted.
[ Encrypted]
The message is encrypted.
[ Good signature]
The message is signed, and the signature is verified to be correct.
[ Bad signature]
The message is signed, and the signature is verified to be incorrect.
[ Unknown signature]
The message is signed, but the signature cannot be verified because
you do not have the correspondent's public key.