Question: 'A software that provides delivery infrastructure for email marketing' describes which of the following terms?
- ISP
- CTA
- ESP
- SPF
Explanation
An ESP is the platform used to create, send, and manage marketing email. It provides the sending infrastructure that supports email delivery to recipients through mailbox systems. In HubSpot, marketing email tools function as part of this sending and campaign management process. This term is different from authentication standards, inbox providers, or email design elements.
Why the other options are incorrect
ISP is incorrect because it refers to an internet service provider or mailbox-side provider context, not the email marketing sending platform.
CTA is incorrect because it is a content element that guides contacts toward an action.
SPF is incorrect because it is an email authentication method, not delivery infrastructure software.
Source for verification
https://knowledge.hubspot.com/marketing-email/understand-email-sending-in-hubspot
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