Blogger.com has a feature by which you don't need to log in at all and can post on your blog
by just sending an email.
To do this you first need to register a blog
After that follow these steps
1.Log into your account and go to your blog dashboard.
2.Click on Settings---->And under settings click on email
Example:Click on image for larger image
3.Now you need to setup a new id and you need to enter one word or several words in the
box provided in the mail to blogger section. This will be the email id of your blog and whenever you mail an email to this id it will get automatically published onto your blog.
4.Remember not to disclose this email id to anyone as anyone who knows about it
can then publish on your blog.
5.Do not forget to save you settings.