Email may not be sent if Magento has enabled asynchronous email sending on multiple websites

[kimurabanyan]

Preconditions (*)

1. Magento 2.4-develop;
2. Magento Open Source 2.4.0-p1 without sample data is installed;
3. There are two websites, each with one Store View;

Steps to reproduce (*)

For convenience, I define two websites as follows:

A: Default Website
B: non-Default Website

1. Set "Stores > Configuration > Sales > Sales Emails > General Settings > Ansynchronous sending" to "Enable".
2. On A, set "Stores > Configuration > Sales > Sales Emails > Order > Enabled" to "No".
3. On B, set "Stores > Configuration > Sales > Sales Emails > Order > Enabled" to "Yes".
4. Complete the order on B.

Expected result (*)

1. Order confirmation email is sent.

Actual result (*)

1. Order confirmation email is not sent.

Additional Information

• If asynchronous email sending is disabled, no problem.
• Invoice, Shipment, and Credit Memo emails have similar issues. However, Order Comments, Invoice Comments, Shipment Comments, Credit Memo Commets emails are sent successfully.
• If place an order through the storefront then messages are sent

[m2-assistant]

Hi @kimurabanyan. 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 2.4-develop instance - upcoming 2.4.x release

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Please, add a comment to assign the issue: @magento I am working on this

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[kimurabanyan]

@magento give me 2.4-develop instance

[magento-deployment-service]

Hi @kimurabanyan. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @kimurabanyan, here is your Magento Instance: https://790c777831183d5fa8b20a697b796662-2-4-develop.instances.magento-community.engineering
Admin access: https://790c777831183d5fa8b20a697b796662-2-4-develop.instances.magento-community.engineering/admin_11e4
Login: c649b108
Password: e826f1edf31a

[kimurabanyan]

@magento give me 2.4.0 instance

[magento-deployment-service]

Hi @kimurabanyan. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @kimurabanyan, here is your Magento Instance: https://790c777831183d5fa8b20a697b796662-2-4-0.instances.magento-community.engineering
Admin access: https://790c777831183d5fa8b20a697b796662-2-4-0.instances.magento-community.engineering/admin_e485
Login: bf10a5e5
Password: ed3a16c52f91

[kimurabanyan]

No emails are sent on Magento vanilla instance even if I enabled email sending in system settings. The reproduction procedure could not be confirmed.

If Magento vanilla instance doesn't send email, I think that it needs a tool like MailHog to confirm emails.

[m2-assistant]

Hi @engcom-Alfa. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

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