What is the benefit of signing an encrypted email

[MFPA]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Hi


On Wednesday 12 January 2011 at 4:13:44 PM, in
<mid:A50E1F63-4B2C-440F-8619-6D69951668AF at sixdemonbag.org>, Robert J.
Hansen wrote:


> Show me the worth in a signed message that has any of
> (a) an incorrect signature, (b) from an invalid key, or
> (c) from someone you believe is utterly untrustworthy.

Perhaps (b) can provide a level of assurance that the messages on a
list or newsgroup from the same name actually come from the same
person.

- --
Best regards

MFPA                    mailto:expires2011 at ymail.com

The truth is out there.
-----BEGIN PGP SIGNATURE-----

iQCVAwUBTS39DaipC46tDG5pAQrDmgP+IDm/m6Zi34Hftb7zZpmk2V0q152/P3CW
OiLhuHmu9PjlW+1H6H0Gup1qqmUFvrCRrl1gUeLxC8NxzR5/RI2vWZjpFIlWXq5q
XiNw2HLFwVZazBPUOOQKYkBtIjePsxNfFrM6roduKuLjjvukJIkQYl8RjlMPx/dt
sJk/eWqWEls=
=GCQe
-----END PGP SIGNATURE-----