Sometimes not receiving email alerts from Thingspeak

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Danielle Honigstein 2021-5-4

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https://ww2.mathworks.cn/matlabcentral/answers/821045-sometimes-not-receiving-email-alerts-from-thingspeak

评论： Christopher Stapels 2023-4-27

Hi all,

I have configured React to send an email when I receive data to my channel. My channel recieves data occasionally from an Android app, once every 15 minutes for the space of some hours.

Usually this works fine, but occasionally I do not recieve an email. I see that the app sent the data to the channel correctly and received a reply. The React shows that the code sending the email was run without errors (showing the green checkmark and showing last run 1 minute ago). As it was 15 minutes since the last request, it shouldn't cause the 429 error (too many requests). How can I find what the problem was? The email was not received.

Thanks,

Danielle

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Answer 1

Christopher Stapels 2021-5-4

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https://ww2.mathworks.cn/matlabcentral/answers/821045-sometimes-not-receiving-email-alerts-from-thingspeak#answer_691565

You can look at your alerts history here, but it does not record failed attempts. I suggest that you can change your MATLAB ode the record the response from the operation in another channel so that you have a record of what happened with your code when it runs.

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Danielle Honigstein 2021-5-4

Thank you, I will try that :)

Danielle Honigstein 2021-5-6

I have done so and received to my surprise Error 429 - Too many requests. How is this possible? The last alert was sent 9 minutes previously.

Is there an additional limit on alerts other than 15 seconds?

Thank you in advance,

Danielle

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Answer 2

Christopher Stapels 2021-5-6

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https://ww2.mathworks.cn/matlabcentral/answers/821045-sometimes-not-receiving-email-alerts-from-thingspeak#answer_693705

编辑：Christopher Stapels 2021-5-6

See the limitations section on the send alerts page. The resrictions can be a bit tight especially when you are debugging. If these limits are unaceptable for your use case, plese let us know your desired use.

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Manivannan Sivakumar 2023-4-27

I have a doubt of whether I can receive alert mails at quick intervals(within minutes),or there is any specific time interval to receive alert mail from first one to the next?

Christopher Stapels 2023-4-27

See the limitations section on the send alerts page.

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