few days ago i configure my email in the freenas server.
i now receave each day a long list that start with...
( i have replaced the IP's with xxx)
> arp: xxx.xxx.xxx.xxx moved from 00:26:55:d1:13:cc to 70:71:bc:7c:74:df on mlxen0
> arp: xxx.xxx.xxx.xxx moved from 00:0a:f7:4f:e1:20 to...