Mail removes my attachment when I enter an email address

nietc wrote:

Sometimes, when I compose an email and insert an attachment before I designate the email recipient, it removes my attachment when I enter the email address of the recipient. This makes me look very unprofessional when I have to send a second email with the attachment, as if I was a space cadet and forgot to attach it the first time. I am usually catch it before I hit Send, but sometimes I forget, especially when I am in a hurry. Any support for this?

MacBook Pro 2020 13", M1, 2020

Monterey 12.3.1

The current stable release of Monterey including bug fixes, is macOS 12.4

Keep your Mac up to date - Apple Support

https://support.apple.com/guide/mac-help/get-macos-updates-mchlpx1065/mac

Add your email address to your recipient before you populate or add your attachment and compare your results.

you can submit your Apple Feedback/file a bug report Product Feedback - Apple