Magento triggers and sends some of order emails exactly one month later,while the order email was not enabled then

[PiroozMB]

Preconditions (*)

1. Magento 2.2.3

Steps to reproduce (*)

1. disable order emails from Stores->configuration->sales emails to not send any email on any new order
2. after 40 days , enable the order emails from Stores->configuration->sales emails to send email on new orders

Expected result (*)

1. after the fortieth day, magento should trigger and send order emails only on any new order which is placed after that 40th day and not send any order email related to the orders before the fortieth day because it was not enabled yet.

Actual result (*)

1. Magento triggers and sends order emails on new orders perfectly, But it sends randomly some order emails too related to orders from exatly one month ego, while the order email was not enabled yet one month ago.

[magento-engcom-team]

Hi @PiroozMB. 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:

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where $VERSION is version tags (starting from 2.2.0+) or develop branches (for example: 2.3-develop).
For more details, please, review the Magento Contributor Assistant documentation.

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

• yes
• no

[magento-engcom-team]

Hi @engcom-backlog-nazar. Thank you for working on this issue.
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[magento-engcom-team]

@engcom-backlog-nazar Thank you for verifying the issue. Based on the provided information internal tickets MAGETWO-96002, MAGETWO-96003 were created