Still new at Linux and mailservers. I'm trying to configure sendmail server on two computer's in my home LAN. I just want to send mail from serverA to ServerB. I don't have a DNS server, and I don't have my own domain (both boxes have a hostname of localhost.domain.) I plan on changing the hostname on ServerA to a test domain. I was wondering if this would still be possible? considering I don't have a DNS server, I don't believe I can