Error: Invalid email domain for key "default.email.from" in data/config.yaml YAML file

**Describe the bug**
I followed the readme files instruction. When navigating to the the selected domain I get the error 'ERR_CONNECTION_REFUSED'.

**To Reproduce**
Steps to reproduce the behavior:
1. follow the exact commands in the readme file.
2. choose 'gg.local' as your domain name.
3. docker compose up -d
4. go to gg.local in the browser.
5. see the error.

**Expected behavior**
Should navigate to the element login window.

**Screenshots**

**Desktop (please complete the following information):**
- OS: iOS 15.3.1
- Browser chrome
- Version 133.0.6943.100 (arm64)

**Additional context**
To fix that I modified data/mas/config.yaml:
set the domain to my selected domain in the email:
`email:
from: '"Matrix Authentication Service" '
reply_to: '"Matrix Authentication Service" '
`