In the top menu bar click Mail.
Select the Preferences option.
Click the @ Accounts option in the top bar.
Click the Server Settings tab.
Edit the Incoming Host Name field to the following:
For POP3: pop.fusemail.net port 995 with TLS/SSL
For IMAP: imap.fusemail.net port 993 with SSL
Edit the Outcoming Host Name field to: smtp.fusemail.net port 587 with TLS/SSL
To edit the Incoming/Outgoing ports, UN-check Automatically manage connection settings. The Port field and Use TLS/SSL checkbox then appear.
Edit as needed. It's recommended to use incoming values of port 993 for IMAP and 995 for POP.
When finished, click the Save button.
Written by Mary Glenn RabacalUpdated over a week ago