efa-project.org

Did some digging and solved the problem. After some update the sendmail command either changed or its format for use in MailScanner did: functions.php:9796 $cmd = QUARANTINE_SENDMAIL_PATH . ' -i -f ' . MAILWATCH_FROM_ADDR . ' ' . escapeshellarg($to) . ' < '; If MAILWATCH_FROM_ADDR is not specified, ...

Both users to which the email was directed have accounts on the EFA system configured as email addresses.

Hey, just wanted to chime in here and say that we are having the same issue!

Yes, it is from the WebUI.