gnats/149: Null `From' address

[pdm]

>Number:         149
>Category:       gnats
>Synopsis:       Null `From' address
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Feb 17 12:24:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Milan Zamazal
>Release:        GNATS 4-alpha
>Organization:
>Environment:

>Description:
When the e-mail address of the user editting a PR is not known (?), a 
notification e-mail on audit-trail changes is sent with null "From" header.
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: