You may see which repositories your occasion is pointing to by checking out the "releasever" variable in /etc/yum.conf – by default, the Amazon Linux AMI has releasever=most current set. What’s wonderful about Postal, is DKIM is now configured and the keys are generated, you only must copy the DKIM file https://zandergcyjj.blog-ezine.com/27036715/the-ultimate-guide-to-aws-linux-support