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Why did I get an email from AWS stating that my Amazon SNS subscription was manually disabled?
Lesedauer: 2 Minute
I received an email from AWS saying that one of my Amazon Simple Notification Service (Amazon SNS) email subscriptions was manually disabled. Why was my Amazon SNS topic subscription deactivated, and how do I resolve the issue?
Amazon SNS automatically deactivates subscriptions when TPS quotas are breached to do the following:
Prevent spamming the destination inbox with events.
Protect the recipient mail server from being flooded with messages.
Avoid Internet Service Providers (ISPs) identifying elevated traffic as spam and blocking messages from delivery.
Note: Amazon SNS supports an email message delivery rate of 10 transactions per second (TPS) to SNS topics, for each AWS account. For more information, see Amazon SNS endpoints and quotas.
It's a best practice to avoid subscribing email addresses to high-volume SNS topics. Common use cases for SNS topic email subscriptions include monitoring Amazon CloudWatch alarms and sending usage reports to multiple email addresses.