App to track sent mails

There are several apps that can help you track sent emails. Here are a few options:

1. Boomerang: Boomerang is a popular email plugin that allows you to schedule emails to send later, remind you about follow-ups, and even track when your emails are opened or replied to.
2. Streak: Streak is a CRM (customer relationship management) tool that allows you to track your emails, including sent emails, and provides insights on your communication with contacts.
3. HubSpot: HubSpot is an all-in-one marketing, sales, and customer service platform that includes email tracking features. You can track sent emails, including opens, clicks, and replies.
4. Yesware: Yesware is an email tracking tool that allows you to track sent emails, including opens, clicks, and replies. It also provides analytics on your email campaigns.
5. Mailtrack: Mailtrack is a simple email tracking tool that allows you to track sent emails, including opens and clicks.
6. Sanebox: Sanebox is an email management tool that includes features like email tracking, scheduling, and reminders.
7. FollowUp.cc: FollowUp.cc is a simple email tracking tool that allows you to track sent emails, including opens and clicks.
8. TrackMail: TrackMail is an email tracking tool that allows you to track sent emails, including opens, clicks, and replies.
9. Email Hunter: Email Hunter is an email tracking tool that allows you to track sent emails, including opens, clicks, and replies.
10. GMass: GMass is a Gmail plugin that allows you to track sent emails, including opens, clicks, and replies.

These apps can help you keep track of your sent emails and provide valuable insights on how your emails are being received.