Troubleshooting a cannot select INBOX, is this a valid transport? Error
Admins may encounter the following error when configuring support department mail importing via POP or as a notification email:
cannot select INBOX, is this a valid transport?
![cannot select INBOX, is this a valid transport?](https://media.screensteps.com/image_assets/assets/005/427/395/original/56b6103d-0cb5-44c8-8799-fec06e295081.png)
Solution
To fix this issue:
- Click Edit at Configuration > System Settings > Support Departments.
- Change Port from 993 to
995
. - Click Save Changes.
This will resolve the error.
![Mail Importing Configuration](https://media.screensteps.com/image_assets/assets/005/427/397/original/e64455b7-e31c-4358-83e2-efa50db641d9.png)