I know it's bad form to submit a large PR like this but this fixes almost everything in https://github.com/firefly-iii/firefly-iii/issues/9183 and I was too lazy to create a branch for it.

resources/views/emails/security/disabled-mfa.blade.php

@@ -0,0 +1,6 @@
+@component('mail::message')
+{{ trans('email.have_disabled_mfa', ['email' => $user->email]) }}
+
+{{ trans('email.disabled_mfa_warning') }}
+
+@endcomponent

resources/views/emails/security/enabled-mfa.blade.php

@@ -0,0 +1,6 @@
+@component('mail::message')
+{{ trans('email.have_enabled_mfa', ['email' => $user->email]) }}
+
+{{ trans('email.enabled_mfa_warning') }}
+
+@endcomponent

resources/views/emails/security/few-backup-codes.blade.php

@@ -0,0 +1,6 @@
+@component('mail::message')
+{{ trans('email.few_backup_codes_intro', ['email' => $user->email, 'count' => $count]) }}
+
+{{ trans('email.few_backup_codes_warning') }}
+
+@endcomponent

resources/views/emails/security/new-backup-codes.blade.php

@@ -0,0 +1,6 @@
+@component('mail::message')
+{{ trans('email.new_backup_codes_intro', ['email' => $user->email]) }}
+
+{{ trans('email.new_backup_codes_warning') }}
+
+@endcomponent

resources/views/emails/security/no-backup-codes.blade.php

@@ -0,0 +1,6 @@
+@component('mail::message')
+{{ trans('email.no_backup_codes_intro', ['email' => $user->email]) }}
+
+{{ trans('email.no_backup_codes_warning') }}
+
+@endcomponent

resources/views/emails/security/used-backup-code.blade.php

@@ -0,0 +1,6 @@
+@component('mail::message')
+{{ trans('email.used_backup_code_intro', ['email' => $user->email]) }}
+
+{{ trans('email.used_backup_code_warning') }}
+
+@endcomponent