Mail settings are used to send warnings to administrators and users.
You can test your SMTP configuration by sending a test mail. This mail will be send to the administrator email address. When using a Google mailbox, use port 587.
The username expects an email address which will also be used as sent from address. The administrator email address will receive storage and disk space warnings. The Webmaster email address announced in the RSS feeds. And the support email address is mentioned in the Presentations2Go players. Multiple mail addresses can be added, delimited by “,”.