> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.transistor.fm/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What rules should I add to our allow list to ensure Transistor's emails are delivered to my company?

Have your IT team allow email receiving from these email addresses, IP addresses & domains: 

* **Sending email:** support@transistor.fm and mail@transistor.fm
* **IP address:** 159.183.152.21
* **Domains:** em7173.transistor.fm and transistor.fm