Have updated my iPhone to iOS 15.1, since then when I send an email no noise to tell me it has gone
After updating to iOS 15.1 there are no sounds when sending emails or texts
iPhone SE, iOS 15
Hi myraburrows1,
Welcome to the Apple Community.
Apple support have a articles online that may, or may not, help.
(Sorry I don't have an iPhone handy, to check all the settings.)
How to change iPhone sounds and vibrations
https://support.apple.com/en-au/guide/iphone/iph07c867f28/ios
Adjust the audio settings on iPhone
https://support.apple.com/en-au/guide/iphone/iph3e2e2cdc/ios
Change notification settings on iPhone:
(choose which apps can send notifications, change the alert sound)
https://support.apple.com/en-au/guide/iphone/iph7c3d96bab/ios
Hope something here works for you :-)