Sequoia upgrade and Lost incoming mail sounds

There seems to a really lack of understanding here, which can happen.

Your original posting was placed in the Sonoma Forum

Once it is there You can not move the question to the Mail Forum

In fact, neither can I move it

I requested of the Apple Moderator Team to Move the question from Sonoma to it's new home in Mail Forum

Regards

PRP_53

Notification Center on your Mac Specific to macOS 14 Sonoma

Use Notification Center on Mac. Specific to macOS 14 Sonoma

OP - "Fly Out >> Top Right Corner of Screen > "

Example and look very closely, this is the Fly Out To Right Corner of Screen of, specifically to you recent reply

Can not say, I having this issue on 3 different machines running macOS 15.0.1 Sequoia

You may try Mail >> Setting >> General >> New messages Sound and choose Play a New Sound

Also, make sure the ticker " Pay sounds for other mail actions " is enabled

Hello Gooner2105

Actually, I had Tested this before posting the reply

As long as the email client ( Mail ) is open and active denoted by the black dot in image below

I receive both the Fly Out >> Top Right Corner of Screen >> I do receive both the Visual Notification and the Sound for new emails

Visual Notification

Dock with black dot denoting Mail is Active

I will ask this question be moved to a more appropriate venue

Then, perhaps another user may pickup this question

Good Luck sorting this out