[mail_optional_autofollow](mail_optional_autofollow/) | 9.0.1.0.0 | Choose if you want to automatically add new recipients as followers on mail.compose.message
[mail_optional_follower_notification](mail_optional_follower_notification/) | 9.0.1.0.0 | Choose if you want to automatically notify followers on mail.compose.message
[mail_tracking](mail_tracking/) | 9.0.3.0.2 | Email tracking system for all mails sent
[mail_tracking_mailgun](mail_tracking_mailgun/) | 9.0.1.1.0 | Mail tracking and Mailgun webhooks integration
[mail_tracking_mailgun](mail_tracking_mailgun/) | 9.0.1.2.0 | Mail tracking and Mailgun webhooks integration
[mail_tracking_mass_mailing](mail_tracking_mass_mailing/) | 9.0.1.0.0 | Improve mass mailing email tracking
[mass_mailing_custom_unsubscribe](mass_mailing_custom_unsubscribe/) | 9.0.2.0.0 | Know unsubscription reasons, track them
[mass_mailing_partner](mass_mailing_partner/) | 9.0.1.0.0 | Link partners with mass-mailing