Hi,
This will depend largely on what version of OJS your are running, how you have configured OJS to send mail, and how the mailserver OJS is using is configured.
Review the details here:
What version did you upgrade from? If you’ve made changes to the email section in config.inc.php , start by reviewing these. Otherwise, there have been a couple of recent changes to the way email is sent. This is going to get technical.
== Begin Technical Excursion
If you upgraded from a version before 2.4.6, email was sent directly “from” the email address specified by the sender’s profile in OJS to the email address specified in the recipient’s profile. This was problematic because you co…