Block
In email communications, "Block" refers to an action by email providers or recipients to prevent emails from a specific sender from reaching the inbox. Blocks can occur for various reasons, such as being reported as spam, failing email authentication checks, or violating the provider's policies.
Direct Impact on Deliverability: Being blocked can significantly hinder a sender's ability to communicate with their audience.
Temporary vs. Permanent: Blocks can be temporary, lifting after a certain period, or permanent until the sender takes corrective action.
Different from Blacklisting: Unlike blacklisting, which is more public and widespread, blocks are usually at the individual or provider level.
Resolution Steps: Senders can often resolve blocks by contacting the provider, proving their compliance with policies, and improving their email practices.
Preventative Measures: Regularly monitoring email engagement and adhering to best practices can help avoid blocks.
Resolution of Delivery Issues: An online retailer notices a drop in email engagement and discovers they've been blocked by a major email provider. They take steps to resolve the issue and regain deliverability.
Spam Complaint Management: After receiving a high number of spam complaints, a newsletter service is blocked by several recipients. They review and improve their content to reduce future complaints.
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