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Open Tracking

When trackOpens is enabled:
  • SparkPost inserts a tracking pixel into your HTML emails
  • Opens are tracked and reported as SP Opened events (ID: 43)
  • Initial opens (initial_open) and subsequent opens (open) are both captured
  • View open rates in the SendPost dashboard

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Click Tracking

When trackClicks is enabled:
  • SparkPost rewrites links in your email to track clicks
  • Clicks are tracked and reported as SP Clicked events (ID: 44)
  • Clicked URL is captured in event metadata
  • View click rates and URLs in the SendPost dashboard

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Viewing Analytics

  1. Navigate to Analytics in your SendPost dashboard
  2. Filter by:
    • Provider: Select your SparkPost provider
    • Event Type: Filter specific SparkPost events (37-46)
    • Date Range: Choose the time period
    • Sub-account: Filter by sub-account

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Rate Limiting & Throttling

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Default Rate Limits

By default, SparkPost providers are configured with a rate limit of 100 emails per hour. This limit is set at the provider level and applies to all emails sent through your SparkPost integration.

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Configuring Rate Limits

You can easily adjust the rate limit through the SendPost UI:
1

Navigate to Providers

Go to Settings → Providers in your SendPost dashboard
2

Edit Provider

Click on your SparkPost provider to edit its settings
3

Adjust Rate Limit

Update the Max Sends Per Hour value to match your SparkPost plan limits or your desired sending rate
4

Save Changes

Save your changes. The new rate limit takes effect immediately.
Rate limiting in SendPost is configured on an hourly basis. Adjust the hourly limit based on your SparkPost plan capacity and sending requirements.

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Provider-Level Throttling

SendPost supports granular throttling for different email providers:
ProviderDescription
GmailThrottle sending to Gmail addresses
YahooThrottle sending to Yahoo/AOL addresses
MicrosoftThrottle sending to Microsoft addresses (Outlook, Hotmail)
DefaultThrottle for all other domains

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Next Steps