YunoHost/packages — pull request #40 by julienmalik (2014-11-28 10:05:47+00:00)
Title: Fix for GMail bouncing mails sent via IPv6

Source :
http://blog.hqcodeshop.fi/archives/122-Fixing-Googles-new-IPv6-mail-policy-with-Postfix.html
http://postfix.1071664.n5.nabble.com/disable-ipv6-when-sending-to-gmail-td60672.html