PersonalTelco has migrated the MailingLists to GoogleGroups. See also: GoogleApps.
"Ert" Mailing Lists
https://groups.google.com/group/ptp-general - General mailing list
Inert Mailing Lists
General archives - most recent post: April 2008
Network Operations - most recent post: Oct 2011
Mississippi Grant Project - most recent post: July 2011