Mozilla Connect

If I start Firefox by clicking on an icon for Firefox ("C:\Program Files\Mozilla Firefox\firefox.exe"), it opens the Firefox I expect, with bookmarks, other bookmarks, etc.(130.0.1).If I click on a URL (e.g., https://duckduckgo.com/) it opens what se...

I don't know what's changed, but I used to be able to drag a bunch of selected addresses in the address book to the BCC: (or other address field) in an email being composed.Today, if I try to drag more than one address, it greys out most of the messa...

I have a modest sized email list (~500 addresses) that I use to "market" my translations.What is the maximum number of addresses I can put in the BCC: field?I realize that the same question applies to Gmail, where Thunderbird reads and sends email.

A new update, and a feature vanishes: It no longer shows sender and subject when new mail arrives.