In order to use our mailing system, you must have an SMTP provider. We suggest SendGrid, but you can also use Mandrill, Mailgun or SendInBlue. For testing purposes, you can also use your Gmail account (be careful with this as you're going to get blocked very quickly).
To configure Xangle Server with your STMP provider follow these steps:
Go on the settings tab, scroll to Sharing Options and select your SMTP provider (Gmail, SendGrid or Custom):
When sending emails through the gallery, the app will now be using your SMTP and SendGrid (if you use it) will give your metrics about these emails: