Notes on things to watch
– Register the SMTP Server’s Global IP as an A host record in DNS
– Register SPF record in DNS
– Register DMARC record in DNS
– Register DKIM record in DNS (if needed—about 35% adoption as of June 2019)
■MX, SPF and other mail server verification tools
■DMARC record check tool
– For AWS, submit a request to remove SMTP sending restrictions
■About removing AWS SMTP sending restrictions
To avoid being flagged as spam mail
– Set “Reply-to” in outgoing emails from your system