Modifying of an email notifications' content using a plugin

[Michael I.]

Is it possible to modify the content of an email notification using a system-2 plugin and without modifying of the default email templates?

Maybe there are some plugin modules to achieve this?

For example, I need to change the email subject depending on the recipient user. At this moment, there were made a nubmer of modifications in default templates to implement this feature. Is there any other ways?

[Pedro Cora]

While you can make this with a plugin, you will need to also create your own velocity templates. Or make some heavy changes in the current ones to be used with the plugin.

[Michael I.]

Yes, I know this. As I mentioned before, I have a solution with the modified default templates, but I want to improve it.

As far as I understood from the source code, there is only one xml-file where mailing templates are defined. Did I miss something? Is it possible to switch the velocity template manager from the default templates to the plugin-provided ones without modifying of default templates or xml-files?

[Andy Brook [Plugin People]]

If you dont want to write or keep maintaining something to do this, JEMH provides template customization support, you can create a custom template in the UI without lower level file changes, the integrated editor allows you to edit the templates as needed. You could also paste existing text/html templates into JEMH Issue Event Template Sets also.