Mailbox Alert (via Genbeta) is a add-on for the popular mail client Thunderbird that adds the ability to define alerts for mail folders in Thunderbird. Alerts can be messages, sounds or commands. The default functionality in Thunderbird allows to define one sound or notification that will be displayed when new mail arrives which does [...]
Find out if someone read your email
I think we all have faced a situation before where we wanted to know if an email was read by a recipient. Did he / she receive the mail, was the email read ? You can’t know for sure even if you added read / write notifications to the email because most email programs ask the user about those. There is no sure way to notification at all if the recipient is cautious, most are not on the other hand and these tricks will work most of the time.
Convert Outlook Express mails from DBX to MBX format
Microsoft is often not using a standard format which is the case when you take a look at how Outlook Express saves the mails that have been send and received. Outlook Express saves the mails by default in dbx files instead of saving them in the wildly used mbx format which is being used by Thunderbird, Opera and most other email clients.
Detach Thunderbird Attachments
Thunderbird saves the attachments together with the mail message which means that the mailboxes can grow rapidly if you regularly receive large attachments. This slows down Thunderbird eventually and could also pose a storage problem if you use the default profile location to store your emails.

