Windows only 
A few weeks ago I received an email from the developer of a Windows application called gAttach, and it looked pretty cool. At the time, however, the program was new and I wanted to give it some time to mature before I gave it a whirl. Since then it has had a handful of updates, and it is on its way to becoming a handy little program.
What is gAttach? It makes it possible to email attachments right from your Windows desktop using your Gmail or Google Apps email account. You can right-click on a file in Windows Explorer, click on email links in your browser, use the email option in Windows Live Photo Gallery, and much more for sending files through Gmail. It basically acts as your default desktop email client.
One of the nice things with this is that it can even handle multiple attachments, which means adding a dozen or so different files to an email isn’t such a pain anymore. Your attachments still have to be under the 20MB limit that Gmail imposes, but you can send quite a bit in that size. After it is done attaching the files all you’ll have to do is check the “Drafts” section in your Gmail account to finish sending it.
There are some downsides to the program though. The biggest one is probably that it uses Internet Explorer to log you in. If you’re not logged in Internet Explorer it will prompt you to do so, and sometimes it would tell me that I needed to login even after I already did. Plus there is no way to rapidly switch between multiple accounts. Hopefully we’ll see these things fixed for a future version.
Are you a Yahoo! Mail user? No problem. The developer has also created a version of the applications that works with Yahoo! Mail dubbed yAttach.
Get gAttach (for Gmail) or yAttach (for Yahoo! Mail)
[via FreewareGenius & Lifehacker]
This is good except for one thing: I want it to recognise already being logged in to GMail in FF3. Then I’ll use it. Hopefully the developer will be able to do this. Thanks.
A good improvement would be if it uploaded files until it reaches the 20 Mb limit, then create another draft for the rest.
The site is confusing for us, the Firefox users, as it has many references to IE, but none to say if it works or not in Firefox.
As I mentioned in the article this app checks Internet Explorer to see if you’re logged in. So there is no support for Firefox.