Using Suppression Lists
A suppression list — or exclusion list — is a list of recipient email addresses to which you do NOT want to send email. Learn more.
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Uploading and Storing a Recipient List as a CSV file
This user guide walks you through the steps of uploading and storing a recipient list as CSV file when you are using SparkPost to send email.
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550. 5.7.1 Unconfigured Sending Domain
Definition and solutions for when you receive a 550 5.7.1 Unconfigured Sending Domain error message as a response when sending a transmission.
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Transmission Best Practices
This Transmission Best Practices guide covers sending transmissions and monitoring the results for errors. It is intended for a technical audience.
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Subaccounts in SparkPost and SparkPost Enterprise
This guide introduces SparkPost's subaccount functionality, which will allow administrators to support separate business units, mailstreams, or customers.
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Setting up Unsubscribe Links
How to set up unsubscribe links: Step-by-step guide to implementing link unsubscribe and list unsubscribe events in SparkPost
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Sending Attachments
SparkPost has added support for sending attachments using the Transmissions API. Attachments can be any file type or inline images.
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Remove List Unsubscribe Header
If you want to remove list unsubscribe header, the SparkPost Transmissions API endpoint allows you to mark an email as transactional
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Migrating from Mandrill to SparkPost
If you are planning on migrating from Mandrill to SparkPost, please view this Mandrill Migration guide and other resources for info.
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