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Back to Glossary

Shared Infrastructure

A setup where multiple users or organizations share the same email servers, IP addresses, or other technological resources for managing and sending email communications. This infrastructure is commonly provided by email service providers (ESPs) or third-party platforms. In a shared infrastructure environment, the email performance and reputation of one user can potentially affect others sharing the same resources. This can lead to risks such as increased chances of being flagged as spam if other users engage in poor email practices. Despite these risks, shared infrastructure often offers cost efficiencies and ease of access, making it suitable for businesses with lower email volume.

Related Terms

Cold Email

A cold email is an unsolicited message sent to introduce a product or service, build relationships, or generate leads. It should be personalized, concise, value-driven, and include a clear call-to-action.

Dedicated IP

A dedicated IP is an exclusive IP address, offering better reputation control, consistency, and custom authentication. It improves deliverability but shared IPs can benefit smaller or new senders.

Deliverability

Email deliverability is the ability to reach inboxes instead of spam. It depends on sender reputation, content quality, authentication (SPF, DKIM), and list hygiene, ensuring marketing emails are received.

Distributed Infrastructure

A distributed email system spreads resources across multiple servers to improve reliability, scalability, and performance. It enhances deliverability, balances traffic, and ensures service continuity.

Email Infrastructure

Email infrastructure includes servers, protocols (SMTP, IMAP, POP), and authentication (DKIM, SPF, DMARC) to manage, send, and receive emails securely, ensuring reliable delivery and optimal performance.
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