One of the widely discussed issues with Amazon EC2 instances is the inability to reliably send email from the instances. In all too many cases, email from EC2 instances is automatically categorized as spam by the various relay databases, and by many ISP’s and carriers. There are several solutions, with the most common being a smarthost setup using either an external smarthost smtp service, such as http://authsmtp.com, or using an existing smtp server within our infrastructure. Continue reading “Postfix SMTP AUTH w/TLS”
The sysadmins at TnR Global, LLC enable email to be successfully delivered from EC2 instances, instead of being caught by Spamhaus and others.