Claws Mail is a light-weight, open-source mail client for Linux, Windows, and FreeBSD.
To set up your account, you only need to change the settings mentioned below. Everything else can be left as default.
Add a new account
Open Claws mail and click Configuration > Add new account.
Enter a name for your account and enter the following settings:
Protocol: IMAP
Server for receiving: imap.imaginet.co.za
SMTP server (send): smtp.imaginet.co.za
User ID: Your full email address
Password: Your email password
Receive settings
Select Automatic for authentication method.
Send settings
SMTP Authentications (SMTP AUTH): Enabled
Authentication method: Automatic
User ID: Your full email address
Password: your email pasxsword
SSL/TLS settings
IMAP: Use SSL/TLS
SMTP: Use SSL/TLS
Automatically accept valid SSL/TLS certificates: enabled
Advanced settings
SMTP Port: 587
IMAP Port: 993
Click OK and you're done!