Suppression Timing

April 28, 2017
It can take a minute for suppression events like spam complaints, unsubscribe requests, and hard bounces to be collected and processed. Learn more here.
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Why Can’t I Store Images?

April 28, 2017
SparkPost doesn't store images for you. If you are not using a front end application where you can store your images, here are some recommendations.
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SMTP Connection Problems

April 28, 2017
If you are SMTP connection problems with SparkPost, here's a checklist of things to verify and process to follow to ensure proper functionality.
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How Do I Retrieve Bounce Info from SparkPost?

April 28, 2017
SparkPost provides two options to retrieve bounce info from SparkPost - a push mechanism, and a pull mechanism. This article explains both solutions.
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Relaying Denied error

April 28, 2017
Reasons for receiving a relaying denied error while trying to connect to smtp.sparkpostmail.com, and how to correct the issue.
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554 5.7.1 – Recipient address was suppressed due to system policy

April 28, 2017
For the "554 5.7.1 - Recipient address was suppressed due to system policy" error message, the system policy is actually our suppression list. Learn more.
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554 5.7.1 – Recipient address was suppressed due to customer policy

April 28, 2017
If you receive error message 554 5.7.1 it means the recipient address was suppressed due to customer policy. What it means and answers on next steps.
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Where do I find my username, account ID, or account email address?

April 28, 2017
To find your username, account ID, account email address, security settings and more. visit your user profile page (EU). Read more here.
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Webhook Error: “POST to webhook target URL failed”

April 28, 2017
A "POST to webhook target URL failed" error occurs when SparkPost sends a test batch to your webhook endpoint and an error is detected. Here's your fix.
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