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For every $500 you spend, we will provide you with a $500 credit on your account*

BLACK FRIDAY SPECIAL EXTENSION

*The maximum is $4000 in credits, Offer valid till December 6th, 2024, New Customers Only, Credit will be applied after purchase and expires after six (6) months

Typeerror Cannot read properties of undefined reading sendmail | Fixed

by | Apr 29, 2024

While trying to use a method (sendMail) on a variable (transport) that hasn’t been setup correctly, as shown by the error “TypeError: Cannot read properties of undefined reading sendmail”.As part of our Server Management Service, Bobcares provides answers to all of your questions.

“TypeError: Cannot read properties of undefined reading sendmail”: More About

This error shows the user are trying to use a method (sendMail) on a variable (transport) that is not properly set. Let’s see a clear description of the issue and the steps to fix it:

typeerror cannot read properties of undefined reading sendmail

Here,

TypeError: Shows a problem with the data type. We’re trying to use a method on something that doesn’t exist (undefined).

Cannot read properties of undefined: The variable we’re using (transport) doesn’t have the expected data.

reading sendMail: We’re trying to use sendMail on a variable that’s undefined.

Fixes

1. Make sure we’ve set up the transport variable correctly, including necessary config details like SMTP server address and details.

2. If transport setup is async, we must make sure to call the sendMail only after the full config.

3. Look for typos or errors in variable names.

4. Removing the verify function after nodemailer.createTransport might solve the issue.

5. The problem will also occur when the transporter is initialized only once in the constructor but used in a static method like sendActivationMail. To fix this, start a private static transporter and create a private getter for transporter in the mail service class logic.

6. If needed, rollback by finding a specific commit and using the CLI to update or create a new setup with a specified version.

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Conclusion

The article briefly explains about the steps from our Tech team in order to fix the error “TypeError: Cannot read properties of undefined reading sendmail.”

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