On 7/2/23 22:01, Dr. Rolf Jansen wrote:
To begin with, usage of Amazons Simple Email Service (SES) is mandatory for outgoing mails from AWS-EC2 instances.
I run AWS-EC2 instances using postfix to send a receive mail. They can send direct assuming I set up suitable SPF, but they typically forward mail to another host under my control that is not on AWS to use as the outgoing server.
Jeremy
