There is no time limit for the trial version of PRMEmail. The functionality limitations of PRMEmail for the trial version are follows:

- PRMEmail will not send emails for activity updates 
- PRMEmail will not send emails for assignment updates 
- Template of new activity notification email cannot be changed 
- Template of updated activity notification email cannot be changed 
- Template of new assignment notification email cannot be changed 
- Template of updated assignment notification email cannot be changed.