Automatic addition of the assistant to outgoing emails ensures the transfer of all sent emails to your CRM account. The email address of the assistant will be pre-filled for all outgoing emails, saving you time and effort. If you don't know your assistant's address, you can find it in Raynet under your name » About Raynet CRM » email assistant.
Settings in Thunderbird
You can configure the transfer of outgoing emails in Thunderbird in Settings (gear icon) » Account Settings » Copies and Folders » BCC these email addresses.
Settings in Outlook
To set up the same scenario in Outlook, you need to create a Rule. You can learn how to do this in this article.