Melvin Klassen <[log in to unmask]> writes:
Either they've been spoofing "last update" dates,
or they've been collecting E-mail IDs for almost two years, e.g.,
 
Roger Myers replies:
They could also be collecting addresses from the archives for each list
and setting the last update date to the date of the most recent posting
from each address.
 
Roger
[log in to unmask] - Roger Myers