Posterous is a blog publishing service that has raised $4.4 million from Redpoint Ventures. Satish Dharmaraj, Partner at Redpoint is also on the company’s board of directors. Posterous was founded by Sachin Agarwal, Garry Tan, and Brett Gibson in 2008 as a Y-Combinator company. Posterous profiles have no restrictions on usage and custom CSS can be added to blogs. Posterous has about 12 million unique visitors and 25 million page views per month. [TechCrunch]