Article Summary
- Your primary MX record pointing at your mail server must have the lowest number, which is the highest priority.
- The 'mail1.no-ip.com' record must have a lower number than 'mail2.no-ip.com'.
- Example priorities: your mail server at 5, 'mail1.no-ip.com' at 10, and 'mail2.no-ip.com' at 15.
A domain with Backup MX should have the MX records shown below, your primary MX record that points at your mail server must have the lowest number (highest priority). mail1.no-ip.com must also have a lower number than mail2.no-ip.com.
Example:
| Host | Priority |
| mail.domain.com | 5 |
| mail1.no-ip.com | 10 |
| mail2.no-ip.com | 15 |