Emailing from Jiwa using SMTP
Before embarking on using SMTP with Office 365, read this article.
Intermittent errors emailing using Office 365 as an SMTP server
Enable the 'Email - Configuration SMTP' plugin
Enter the System Settings > System Configuration > Email - configuration SMTP tab information
Enter the SMTP and user details under System Settings > Staff Configuration > Staff Maintenance - Email Settings section
Test by opening System Settings > Email > Email Maintenance and sending an email.