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Could not execute /usr/sbin/sendmail Error | Fixed

If you have been coming across the “could not execute /usr/sbin/sendmail” error message, you are in luck. Our experts have a solution to help you resolve this error in no time. In fact, this error occurs when a program or script tries to send an email via the sendmail command but fails.

According to our experts, the Sendmail command is a standard MTA or mail transfer agent that is popularly used by many Unix and Linux-based systems to send email messages.

Let’s take a look at how Sendmail works. When a program or script uses sends an email with the sendmail command, the email message is sent to the local sendmail process. This process is responsible for delivering the email to its destination.

The “could not execute /usr/sbin/sendmail” could be due to a few different reasons, such as:

• Incorrect path:

  The program or script is using an incorrect path to the sendmail command. For instance, it is using /bin/sendmail instead of /usr/sbin/sendmail.
• Missing or corrupted sendmail binary:

  The sendmail binary is missing or corrupted.
• Permissions issues:

  The error will occur if the user does not have sufficient permissions to execute the sendmail command.

We can easily resolve this error, with the following steps:

1. To begin with, verify the path to the sendmail command and ensure that it is correct.
2. Verify the sendmail binary is present in the /usr/sbin directory. We have to install it if it is missing.
3. Next, check the user running the program or script has the required permission to execute the sendmail command.

Let us know in the comments if you need further help with resolving the could not execute /usr/sbin/sendmail error.

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Conclusion

To conclude, our Support Techs demonstrated the various causes and fixes for the could not execute /usr/sbin/sendmail error.