46.4.32.140
static.140.32.4.46.clients.your-server.de
65.108.69.69
static.69.69.108.65.clients.your-server.de

2a01:4f8:221:3646::2
2a01:4f9:6b:456e::2

inbound-smtp.eu-west-1.amazonaws.com.
omx1.classictic.com.
omx2.classictic.com.