| Nominative | |
| Genitive | e-maila; e-mailu |
| Dative | e-mailowi |
| Accusative | |
| Instrumental | e-mailem |
| Locative | e-mailu |
| Vocative | e-mailu |
| Nominative | e-maile |
| Genitive | e-maili; e-mailów |
| Dative | e-mailom |
| Accusative | e-maile |
| Instrumental | e-mailami |
| Locative | e-mailach |
| Vocative | e-maile |