Hi, this depends on a native WP function called wp_mail. If there are restrictions on the local mail server, then you’ll run into problems with emails going out.
Please try setting up a transactional email service like Mandrill or Postmark app:
You should be ok with it, even though it isn’t tested with 4.1. If there are issues you could try postmarkapp.
The support post ‘Default emails not sending’ is closed to new replies.
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Support forum for Event Espresso 3 and Event Espresso 4.