Why subdomains are used for mails ?
Here at Axleta, we are also using the "@mail.axleta.com" for emails. We would like to introduce the benefits of using a subdomain. Separation of services : mail.axleta.com is distinct from www.axleta.com . This separation helps organize infrastructure and one subdomain handles email traffic, another handles the website, another might handle APIs. Email authentication (SPF, DKIM, DMARC) : By using a subdomain, companies can configure DNS records specifically for email. This improves deliverability and reduces the chance of emails being flagged as spam. Security & risk isolation : If something goes wrong with the mail server (like spoofing attempts), it won’t directly affect the main domain. Subdomains allow tighter control and monitoring. Branding & clarity : Seeing @mail.axleta.com makes it clear the email is system-generated (like newsletters, notifications) rather than a personal reply from staff. Scalability : Large organizations often run multiple subdomains for...