Mailinglist:
Mail to
hamarlug-request@freelists.org, with 'subscribe' in the Subject field. (Make sure to send this from a valid mail account...)
Or go to HamarLUG over at freelists.org, where you can choose digest mode and other settings.
We now also has a IRC channel over at freenode. Find your nearest mirror, and join #MjosLUG. This is a channel for all the lug's in the Mjøs are. That is HigLUG at Gjøvik, LiLUG at Lillehammer, and HamarLUG at Hamar.
Hjemmeside:
http://hamar.lug.no/