Set up email in Thunderbird

1. Open Thunderbird: menu ≡ → Account Settings → Account Actions → Add Mail Account.
2. Enter your name, the full email address and the password, then click Configure manually.
3. Fill in:
   • Incoming server: protocol IMAP, hostname imap.sitelyra.it, port 993, security SSL/TLS, authentication Normal password;
   • Outgoing server: hostname smtp.sitelyra.it, port 465, security SSL/TLS, authentication Normal password;
   • Username: the full address, for both.
4. Click Re-test, then Done.

All settings are in Set up a mail app.