Getting Started with SMTP Relay Service
Relaying mail to Paubox via SMTP can be done in 2 ways: SMTP Server Solution and SMTP Relay Service. Here's how to get started with the SMTP Relay Service.
You'll need:
- Subscription for Paubox Email API or SMTP
- Sending domain's SPF record updated to contain: include:_spf.paubox.com
- On-premise server that can relay email to Paubox over SMTP from a static IP
- STARTTLS enabled on your on-premise mail server (TLS v1.2 or higher)
How to get started:
- Contact your CSM or support@paubox.com:
- Provide your server's static IP address
- Get the appropriate Paubox server hostname
- Use these values to send mail:
- Hostname: <hostname>
- Port: 25 or 587