How to Turn Off the Send Progress Dialog in Mozilla Thunderbird

I don't know how often I have already seen the dialog that shows you how fast Mozilla Thunderbird (or Netscape and Mozilla SeaMonkey) delivers the message after you click Send, but I'm sure that I wished it was not there every single time. Fortunately, there's a way to turn the send progress dialog off in Mozilla Thunderbird.

Turn Off the Send Progress Dialog in Mozilla Thunderbird

To disable Mozilla Thunderbird's send progress dialog when it delivers an outgoing message:

• Select Tools | Options... (or Thunderbird | Preferences...) from the menu.
• Go to the Advanced tab.
• Make sure the General category is open.
• Click Config Editor....
• Type "show_send_progress" under Filter:.
• Double-click mailnews.show_send_progress (under Preference Name to make sure false appears in the Value column.
• Close the configuration editor and the options dialog.

Turn Off the Send Progress Dialog in Mozilla SeaMonkey or Netscape

To turn off the Send Progress dialog in Netscape or Mozilla SeaMonkey:

• Open your user.js configuration file in any text editor and add the following line to it:
  
  user_pref("mailnews.show_send_progress", false);

That should get rid of the unnecessary send progress dialog. You can always turn it back on by changing false to true.