How to send free email SMS and get mobile alerts?

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While searching for sending free SMS, I found how to send email to SMS on your mobile phone. It describes how an email can be sent as SMS to your mobile phone (works on selected operators only). But it has a limitation i.e it truncates long mail and approx only 160 characters is sent as SMS. I have confirmed that Airtel Karnataka is working fine.Extending this idea following things can be done with it :-
Auto forwarding mails to mobile phone as SMS:- In Gmail, go to settings -> Forwarding and POP and set your messages to forward at the mobile-number-cum-email. But, currently this is not working. If it works, then selected mails can also be forwarded by creating filters. I have reported this issue to Gmail help and support and hope they resolve it soon.
Using your mobile number as another email address to 'send mail from' in Gmail:- Go to settings -> Accounts and set the mobile-number-cum-email as 'Add another email address' under 'Send mail as'. It will send a verification code on your mobile. After verifying the email address you can select this email address as 'send email from' so that you get its reply as SMS alert.
Orkut SMS alerts:- Currently Orkut SMS alert is available in Brazil only. On changing the primary email address to your mobile-number-cum-email in Orkut it sends a link and verification code which is received as truncated message due to limitation. If Orkut changes the format of verification mail by sending the verification code (say XXXX) first and then the link, then it can be verified by clicking the link, http://www.orkut.com/EditEmailConfirm.aspx?vc=XXXX which means, you can receive SMS alert when someone leaves a scrap on your scrapbook. I have reported this issue to Orkut help and support and hope they consider it.
Google Alerts:- Similarly, if the format of verification mail is changed while subscribing for Google Alerts, it would be quite handy to receive latest updates on a topic of your choice directly to your mobile.
Blogger comment Notification:- In blogger, go to settings-> comments and set your mobile-number-cum-email as 'Comment Notification Address'. Thus, it notifies on your mobile when someone leaves a comment on your blog. Thankfully, it does not requires any verification code.
Let others send you SMS without knowing your mobile number:- There are many sites that send SMS to mobile phones free. But, they require to disclose your mobile number to do so. Alternatively, you can sign up at jotforms using your mobile-number-cum-email, create a form and place it on your web page. Do not forget to set 'E-mail ' to 'yes' under form properties. Now anyone can send you an SMS without knowing your mobile number. A demo SMS form can be seen on the sidebar.
Sending SMS using PL/SQL:- This Oracle forum post describes how to send SMS using PL/SQL. I have not verified it, but if it is working then powerful web based applications can be created that can send SMS to desired mobile number.
There may be many other possibilities with mobile-number-cum-email, tell me what you can do with yours?
Update (20th June 2007):Google folks have corrected the bug or whatever and auto forwarding of incoming mails is now working for Airtel Karnataka number. You can get sms alert when someone sends you a mail or writes a scrap in your scrapbook in orkut. Gmail simply rocks !!
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