- Check that the distribution list is up-to-date and each email address is valid.
- Ensure that the group or distribution list has not been accidently blocked.
- Configure the email server settings correctly, including the appropriate port and authentication (if needed).
- Ensure that messages from the intended sender are not blocked by spam or security settings.
- Check your mail integrity system to verify that no emails have been lost due to outages or other issues.
30%
