Here are the email settings to setup your Workspace email on your Thunderbird device.
IMAP
Incoming Server: imap.secureserver.net
Outgoing Server: smtpout.secureserver.net
Ports
Incoming with SSL: 993
Outgoing with SSL: 465
Incoming without SSL: 143
Outgoing without SSL: 25,80,3535
POP
Incoming Server: pop.secureserver.net
Outgoing Server: smtpout.secureserver.net
Ports
Incoming with SSL: 995
Outgoing with SSL: 465
Incoming without SSL: 110
Outgoing without SSL: 25,80,3535
Last Updated: November 8, 2016