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Back to Glossary

Secondary Domains

Additional domain names used alongside the primary domain for various reasons. Utilizing secondary domains helps in managing sender reputation, organizing email activities, and ensuring better deliverability and security. It also allows businesses to segment their email infrastructure and mitigate risks associated with primary domain reputation.

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.

DKIM (DomainKeys Identified Mail)

DKIM is an email authentication method that uses a digital signature to verify sender identity and prevent spoofing. It enhances security, improves deliverability, and protects domain reputation.

DMARC (Domain-Based Message Authentication, Reporting & Conformance)

DMARC is an email authentication protocol that prevents spoofing and phishing by enforcing SPF and DKIM policies. It improves security, deliverability, and brand protection while providing authentication reports.
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