According to the search results, it is possible to send an email in IFS without using an email event action. One way to achieve this is by using workflows. A user in the IFS Community[1] suggests creating a custom workflow and using the "Send Email" task to send an email. Another user in the same community[2] asks about using the "Send Task" item for BPA/BPMN workflows to send an email, but it is unclear from the search results whether this is a viable option. MyLabCorp.com

It is also possible to include additional attachments in IFS emailss3]. The COMMAND_SYS mail functionality has several improvements, including the ability to handle attachments in emails. It is possible to add attachments as an array of CLOBs or BLOBs or a file path. 

In addition, workflows can be used for various purposes, including sending different emails to contacts based on their location or other static field valueu4], and sending emails based on the attributes and/or behavior of the participating contactst5]. The Workflow Notifications feature can also be configured to send an email whenever a Workflow is triggerede6].