Azure/AWS Mail blocked on Port 25

This issue revolves around Azure and AWS outbound SMTP from their virtual machines / EC2 instances. AZURE Azure: https://blogs.msdn.microsoft.com/mast/2017/11/15/enhanced-azure-security-for-sending-emails-november-2017-update/ For Pay-As-You-Go or Microsoft Partner Network subscriptions created after November 15, 2017, there will be technical restrictions blocking e-mail sent directly from VMs in these subscriptions. Customers that need the abilityRead More…