The email settings as follows:

Secure IMAP:
server: mail.ariandiako.com
Encryption: SSL
port: 993
username: user@yourdomain.com
password: ****
Login require secure password authentication (SPA): No

Secure SMTP:
Server: mail.ariandiako.com
Encryption: SSL
Port: 465
Username: user@yourdomain.com
Password: ****
Login require secure password authentication (SPA): No
My outgoing server (SMTP) requires authentication: Yes
Login to incoming mail (POP3) before sending email: No (POP3 before SMTP)

Secure POP3:
Server: mail.ariandiako.com
Encryption: SSL
Port: 995
Username: user@yourdomain.com
Password: ****
Login require secure password authentication (SPA): No