Below is the list of plugins that are compatible with 9MAIL’s default template.
| Plugin | Author | Compatible features |
| WPML | OnTheGoSystems | Apply to languages settings |
| Polylang | WP SYNTEX | Apply to languages settings |
| EPOI – WordPress Points and Rewards | VillaTheme | Default template |
| Contact Form | WPForms | Default template |
| Solid Security | StellarWP | Default template for Password, Two-Factor Authentication, and Brute Force Protection |