Why It Matters for Sender Reputation
A DNS record that maps a domain name to an IPv4 address. Used in email infrastructure to resolve hostnames to IPs. Understanding this concept is essential for maintaining good email deliverability and protecting your domain's sender reputation.
How It Works
Your email infrastructure configuration directly impacts how mailbox providers evaluate your domain. Proper setup of DNS records, mail servers, and encryption ensures reliable email delivery.
Practical Example
When configuring your email sending infrastructure, paying attention to a record is critical. A misconfiguration or oversight in this area can lead to decreased deliverability, increased spam filtering, or even blacklisting.