Email is usually the best way to contact Lighterra...
The usual addresses for specific technical issues also apply, such as hostmaster for DNS, postmaster for email, webmaster for web issues etc.
If you wish to send secure email to Lighterra, or verify signed email from Lighterra, please use these PGP keys.
If you must use physical "snail" mail, here is Lighterra's postal address...
PO Box 1661
Please note that physical mail to Australia is slow (can be as much as 10 days for air mail) and quite expensive.
In addition, couriers will generally not deliver to PO boxes, so if you're sending an item by courier please email first to make arrangements.