Easyblog sending numerous emails for each blog posted

Everytime a blog is posted roughly 5 e-mails get sent to each subscriber. I realize this can be fixed with a cron job in theory, however using 'lunarpages' hosting I can't seem to figure out how to set this up, they say they don't support the type of cron job:

https://support.lunarpages.com/knowledge_bases/article/228

Any help would be much appreciated