MUA "automatically signs keys"?

[Robert J. Hansen]

> Well, it could be semi-automatic. I'm only talking about persona
> certifications, which appear to be understood as verifying that the key
> and the email address are under the control of the same person.

I suspect the majority of GnuPG and PGP users could not tell you what  
a persona-level verification means.  Saying they appear to be  
understood as X appears to me to be a dangerous bit of conjecture.