> For the complete documentation index, see [llms.txt](https://docs.globo.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.globo.io/pre-order/setting.md).

# Setting

- [SMTP Configuration](https://docs.globo.io/pre-order/setting/smtp-configuration.md): The preorder application integrates both SMTP and API-based email delivery systems to ensure reliable and flexible communication with users.
- [Gmail](https://docs.globo.io/pre-order/setting/smtp-configuration/gmail.md)
- [Outlook](https://docs.globo.io/pre-order/setting/smtp-configuration/outlook.md)
- [Sendinblue (Brevo)](https://docs.globo.io/pre-order/setting/smtp-configuration/sendinblue-brevo.md)
- [Sendgrid](https://docs.globo.io/pre-order/setting/smtp-configuration/sendgrid.md)
- [Pepipost](https://docs.globo.io/pre-order/setting/smtp-configuration/pepipost.md)
- [Amazon SES](https://docs.globo.io/pre-order/setting/smtp-configuration/amazon-ses.md)
- [Elastic Email](https://docs.globo.io/pre-order/setting/smtp-configuration/elastic-email.md)
- [Mailgun](https://docs.globo.io/pre-order/setting/smtp-configuration/mailgun.md)
- [Zoho ZeptoMail](https://docs.globo.io/pre-order/setting/smtp-configuration/zoho-zeptomail.md)
- [Translations](https://docs.globo.io/pre-order/setting/translations.md)