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Postmark Emails are being throttled due to exceeding sending limits.
Understanding Postmark: A Reliable Email Communication API
Postmark is a robust email communication API designed to deliver transactional emails swiftly and reliably. It is widely used by developers to ensure that their applications can send emails efficiently without getting caught in spam filters. Postmark is known for its high deliverability rates and ease of integration with various platforms.
Recognizing the Symptom: Email Throttling
One common issue developers encounter when using Postmark is email throttling. This occurs when emails are being sent at a rate that exceeds the limits set by Postmark, resulting in delayed or undelivered emails. The symptom is typically observed as a slowdown in email delivery or receiving error messages indicating that the sending rate is too high.
Exploring the Issue: Exceeding Sending Limits
Email throttling is a mechanism used by Postmark to prevent abuse and ensure fair usage of their service. When the sending rate exceeds the predefined limits, Postmark temporarily restricts the number of emails that can be sent. This is done to maintain the quality of service and protect the reputation of their IP addresses.
Understanding Postmark's Sending Limits
Postmark imposes sending limits to ensure that all users have access to reliable email delivery. These limits vary based on the account type and usage patterns. It is crucial to be aware of these limits to avoid triggering throttling.
Steps to Resolve Email Throttling
To address email throttling, you need to take specific actions to reduce the sending rate and comply with Postmark's guidelines. Here are the steps you can follow:
Step 1: Review Your Sending Patterns
Analyze your email sending patterns to identify any spikes or irregularities. Use Postmark's email activity monitoring tools to gain insights into your sending behavior.
Step 2: Implement Rate Limiting
Introduce rate limiting in your application to control the number of emails sent per minute. This can be achieved by implementing a queue system or using a library that supports rate limiting. For example, in Node.js, you can use the rate-limiter-flexible package to manage your sending rate.
Step 3: Optimize Email Content
Ensure that your emails are concise and relevant to avoid unnecessary sending. Remove any redundant or duplicate emails that may contribute to exceeding the limits.
Step 4: Contact Postmark Support
If you continue to experience issues, reach out to Postmark support for assistance. They can provide guidance on adjusting your sending limits or offer solutions tailored to your specific needs.
Conclusion
Email throttling is a common issue that can be effectively managed by understanding Postmark's sending limits and implementing appropriate measures. By following the steps outlined above, you can ensure that your emails are delivered promptly and reliably, maintaining the integrity of your communication with users.
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Postmark Emails are being throttled due to exceeding sending limits.
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