Magento 2.3 contact form not sending emails( No log entry)

[YiffyToys]

Preconditions

Magento 2.4-develop

Steps to reproduce (*)

• Add throw new LocalizedException(__('test localized exception')); before

  magento2/app/code/Magento/Contact/Controller/Index/Post.php

  Line 75 in 2268edc

  $this->sendEmail($this->validatedParams());

• Enter the contact form
• Send a message

Expected result (*)

1. Exception with stack trace is logged

Actual result (*)

1. No log entry in any of the Magento, PHP or Apache logs that provides any insight

Original case:
Preconditions
Magento 2.3.0, 2.3.1 or 2.3.2 CE

1. sendmail is installed and working (Courier-MTA on Debian 10)
2. php mail() command working fine
3. order status emails are being send fine

Steps to reproduce (*)

1. enter the contact form
2. send a message

Expected result (*)

1. email is sent

Actual result (*)
1**. as a user get a generic error message that email could not be sent**
2. No log entry in any of the Magento, PHP or Apache logs that provides any insight

Since order status emails can be sent, Magento is clearly capable of sending emails to users.
At the very least, there must be a log entry THAT something happend and best even provide inside what needs fixing. Currently there is no log entry at all. Not even on DEBUG level.

[m2-assistant]

Hi @YiffyToys. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.3-develop instance - upcoming 2.3.x release

For more details, please, review the Magento Contributor Assistant documentation.

@YiffyToys do you confirm that you were able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

---

• Join Magento Community Engineering Slack and ask your questions in #github channel.

[m2-assistant]

Hi @engcom-Charlie. Thank you for working on this issue.
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  Details

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• 5. Verify that the issue is reproducible on 2.2-develop branch.

  Details

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[engcom-Charlie]

Hello @YiffyToys ! Please provide more information about this issue

[YiffyToys]

@magento give me 2.3-develop instance
@engcom-Charlie How to reproduct that no information is logged if the contact form fails to send an email? How to check logs on the automatically created instances used to reproduce an issue? Can these instances actually send email?

[magento-engcom-team]

Hi @YiffyToys. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @YiffyToys, here is your Magento instance.
Admin access: https://i-23645-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.