Emails not showing up completely

[trionferreira]

Whenever I receive an email that has my deadname in the beginning of it, the text that is after my deadname, just disapears.
I've searched if anyone else has had this issue, and in the google groups, there are some people talking about it.

Here are some screenshots that the other people sent:

Here, the extension is off:

Here, is the preview of the email.

Here, the extension is on:

Another example: