To make sure you stay on top of your servers, GraphCDN will now automatically send you alerts via email for any 5xx responses from your origin. For example, if your server were overloaded you might get an email like this:

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Your service <name> just received 7 errors in the last 60 seconds. Here is one example error:

Service Unavailable, No server is available to handle this request

You can see all the details on your dashboard.

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We plan to expand this and make it configurable in the future, but for now this will at least let you know when something is going very wrong with your server.