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Open Tracking

When trackOpens is enabled:
  • Mailgun inserts a tracking pixel into your HTML emails
  • Opens are tracked and reported as MG Opened events (ID: 54)
  • View open rates in the SendPost dashboard

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Click Tracking

When trackClicks is enabled:
  • Mailgun rewrites links in your email to track clicks
  • Clicks are tracked and reported as MG Clicked events (ID: 55)
  • 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 Mailgun provider
    • Event Type: Filter specific Mailgun events (48-57)
    • 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, Mailgun 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 Mailgun 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 Mailgun provider to edit its settings
3

Adjust Rate Limit

Update the Max Sends Per Hour value to match your Mailgun 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 Mailgun plan capacity and sending requirements.

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Provider-Level Throttling

SendPost supports granular throttling for different email providers (27 total):
ProviderDescription
GmailThrottle sending to Gmail addresses
YahooThrottle sending to Yahoo/AOL addresses
MicrosoftThrottle sending to Outlook/Hotmail addresses
iCloudThrottle sending to iCloud addresses
ComcastThrottle sending to Comcast addresses
DefaultThrottle for all other domains
Each provider-specific throttle can be configured with its own settings for maximum concurrent connections, sends per minute, sends per hour, and sends per day.

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Next Steps