On Tue, 6 Jan 2015 10:53:42 +0100 Thomas Leuxner <t...@leuxner.net> wrote:
> # postconf -n | grep inet > inet_interfaces = 188.138.4.217, 2001:470:1f0b:bd0::3 > inet_protocols = ipv4, ipv6 > set above to "= all" (default), and try to set: smtp_bind_address = 188.138.4.217 smtp_bind_address6 = 2001:470:1f0b:bd0::3 test it by sending to gmail again.