Action_mailer_tls + Gmail

Hallo Praveen Jayarajan:

What your email is delivered to your user or tested email?

Try this modify it to your environtment.rb:
ActionMailer::Base.raise_delivery_errors = false

or you can read it :
http://teapoci.blogspot.com/2008/04/action-mailer-with-gmail-or-another.html

Have a nice trying.
Reinhart