The notification server will not start.
Socket error 10053 or 10013 from the swNotificationServer or the swTestNotificationServer,
Try to temporarily disable any anti-virus, or firewall or other security enhancing software since they can stop any outgoing email. Then, configure the anti-virus software not to block SMTP requests (normally 587 although traditionally port 25 was used for this purpose) from processes named "swNotificationServer" and "swTestNotificationServer". Refer to your security software for proper procedures.
Notification emails fail to send.
SMTP; Client was not authenticated to send anonymous mail during MAIL FROM [HE1PR0102CA0008.eurprd01.prod.exchangelabs.com]
ERROR ns - FAILED sending message to email@example.com about changes in issue [Test]: test2
If authentication is required, make sure that the swNotificationServer.ini includes the following entry: