Infrastructure

ESP (Email Service Provider)

A company that provides email sending infrastructure, such as SendGrid, Mailchimp, or Amazon SES.

Why It Matters for Sender Reputation

A company that provides email sending infrastructure, such as SendGrid, Mailchimp, or Amazon SES. 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 esp (email service provider) is critical. A misconfiguration or oversight in this area can lead to decreased deliverability, increased spam filtering, or even blacklisting.

Check your setup: Use our Sender Reputation Checker to verify your domain's configuration and get your free Sender Reputation Score.

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