Then almost certainly it is, as you say, the firewall’s fault.
Try disabling it to see if it works and if it does you will have to add the port 993 exception.
Here’s how to open it for the IMAP port if you are using Windows firewall:
Then almost certainly it is, as you say, the firewall’s fault.
Try disabling it to see if it works and if it does you will have to add the port 993 exception.
Here’s how to open it for the IMAP port if you are using Windows firewall: