I was getting messages like the following form the MTA of my ISP(Alice/Telecom Italia) when sending email to some addresses:
ao2.it is now IPv6 enabled, in the last two months two things finally happened that made this possible:
Recent comments
12 weeks 4 days ago
39 weeks 6 days ago
1 year 2 weeks ago
1 year 2 weeks ago
1 year 2 weeks ago
1 year 18 weeks ago
1 year 22 weeks ago
1 year 22 weeks ago
1 year 22 weeks ago
2 years 33 weeks ago