Opera 10: Set Gmail as the Default Email Client
If you use Gmail as your primary email client, Opera 10 makes it easy to associate any mailto links that you might encounter to use Gmail as the default email client. All you need to do is make one small modification to one of the .ini files. Instructions are included for both Windows and OS X.
For Windows Users:
1. Open up Windows Explorer and go to C:\Program Files\Opera\defaults.
2. Find the webmailproviders.ini file and open it with Notepad.
3. Go to the bottom of the list and add the following:
[Gmail]
ID=8
URL=https://mail.google.com/mail/?extsrc=mailto&url=%s
ICON=http://mail.google.com/mail/images/favicon.ico
4. Save the file.
5. Open Opera and go to Preferences.
6. Select Advanced.
7. Select Programs.
8. Select mailto from the Protocol list.
9. Click the Edit button.
10. Select the Use a Web mail service radio button and select Gmail from the dropdown.
11. Click the OK button.
12. Restart Opera.
For OS X Users:
1. Open Finder and select Applications.
2. Right click the Opera icon and select Show Package Contents.
3. Go to Contents\Resources\defaults.
4. Find the webmailproviders.ini file and open it with TextEdit.
5. Go to the bottom of the list and add the following:
[Gmail]
ID=8
URL=https://mail.google.com/mail/?extsrc=mailto&url=%s
ICON=http://mail.google.com/mail/images/favicon.ico
6. Save the file.
7. Open Opera and go to Preferences.
8. Select Advanced.
9. Select Programs.
10. Select mailto from the Protocol list.
11. Click the Edit button.
12. Select the Use a Web mail service radio button and select Gmail from the dropdown.
11. Click the OK button.
12. Restart Opera.






Anonymous said on October 22, 2009
great! thank you.
Works with linux as well.
The file can be found in: /usr/share/opera/defaults
(at least for my Ubuntu)
Anonymous said on December 9, 2009
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Source:
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tinhoy said on February 12, 2010
Once you save the edits to webmailproviders.ini, you can just open up Opera and go to this url “mailto:” (no quotes).
The dialog to select web mail providers should pop up.
Anonymous said on April 22, 2010
can this file be copied to the profile folder and modified or do we have to modify from the defaults folder. I will not like it to be upgraded with subsequent upgrades of opera