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Professional Email Marketing Setup: Subdomain Strategy for Maximum Deliverability

11/30/2025

Email Marketing,DevOps,Best Practices

Email Marketing,Subdomain Strategy,Google Workspace,AWS SES,SendGrid,SMTP,SPF,DKIM,DMARC,Deliverability

Professional email architecture with subdomain isolation strategy

Learn how to configure professional email marketing using subdomains to protect domain reputation. Complete guide for transactional and marketing emails with Google Workspace, AWS SES, and SendGrid integration.

How to quickly import all records from a Route53 DNS zone into Terraform

02/08/2022

Cloud Computing,DevOps,GNU/Linux,Productivity,Tips & Tricks

Automation,AWS,Bash,Linux Shell,Route 53,Terraform

The terraform import command brings existing AWS resources under management—but only one resource at a time. For a Route53 zone with dozens or hundreds of records, that is painful. This article outlines a bash-oriented approach to batch the work safely.