If you want to contact the ServerTeam, you can use the following resources:
Join our mailing list at https://lists.ubuntu.com/mailman/listinfo/ubuntu-server.
You can read an archive of messages at https://lists.ubuntu.com/archives/ubuntu-server/.
Contact on the Freenode IRC network at #ubuntu-server.
The full listing of Ubuntu Server team members is located in launchpad here.
You can also send an email to one of the following Canonical team members listed here.