Regarding your reported sending issue, we wanted to follow up on the status of your case. As you have previously confirmed, the initial issue has been resolved.
Additionally, we had informed you that a modification regarding bounce handling was introduced in version 9.10.0, which may also address your concerns.
Regarding the issue of emails being directed to the spam folder, especially in Outlook and Yahoo, we explained that these services are cautious of sudden changes in sending methods and servers. Building a sender reputation with these services can be a challenging but necessary process to improve delivery rates. We also outlined the recommended approach for achieving this.
If you require further assistance with bounce handling, please reply to the corresponding ticket.
