send-mail: warning: inet_protocols: IPv6 support is disabled: Address family not supported by protocolsend-mail: warning: inet_protocols: configuring for IPv4 support only
postdrop: warning: inet_protocols: IPv6
在我的机器上的几个主机上,我总是收到这个错误,例如:open('https://google.com').read
from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/net/http.rb:904:in `initialize'
from /usr/local/opt/rbenv/versions/2.4.0/lib/ruby/2.4.0/net/http.rb: