52.215.6.185
ec2-52-215-6-185.eu-west-1.compute.amazonaws.com
99.80.219.186
ec2-99-80-219-186.eu-west-1.compute.amazonaws.com
99.81.236.41
ec2-99-81-236-41.eu-west-1.compute.amazonaws.com

inbound-smtp.eu-west-1.amazonaws.com.
mx.amzn-eu-west-1.p.hmr.sophos.com.
mx.amzn-us-east-1.p.hmr.sophos.com.
mx.amzn-us-west-2.p.hmr.sophos.com.