grep -o '<[^@]*@.[^>]*' filename
| Outil | Haute | Normal | basse |
|---|---|---|---|
| Thunderbird | X-Priority: 1 (Highest) | X-Priority: 5 (Lowest) | |
| Zimbra | X-Priority: 1 | X-Priority: | |
| Importance: high | Importance: low | ||
| Outlook | X-Priority: 1 (Highest) | X-Priority: 5 (Lowest) | |
| X-MSMail-Priority: High | X-MSMail-Priority: Low | ||
| Importance: High | Importance: Low |