If you see this IP when you connect to your postfix from the internet, complain to your new ISP immediately. Connections from outside should not be NATted.
On 30.01.18 14:34, jin&hitman&Barracuda wrote:
When I connecting from internet (for example from 149.XXX.164.55) I did run tcpdump command on postfix server and all incoming connections have same source IP and it is 172.27.203.20. I doesn't matter where I choose to connect I see same IP as source.
OK, my original words apply. complain to your ISP, they should not SNAT incoming connections from the internet to your server. until then, I recommend you not move the server to them. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. I'm not interested in your website anymore. If you need cookies, bake them yourself.
