E-mail provider Goodmail Systems has added $4 million worth of $5 million in additional funding to a previously closed third round. Omidyar Network led the new funding; Bessemer Venture Partners led the original round, which is now worth $25 million in total. Mountain View, CA-based Goodmail has raised $45 million in funding since 2005 for its email marketing services, including white-listing for companies like Wal-mart. Former IAC (NSDQ: IACI) exec Peter Horan took the reins as CEO in May 2008, and the company recently released an in-email video ad product, dubbed Certified Video. Release.

Updated: Jordan Cohen, Goodmail’s senior director of industry relations, confirmed that the company had received the $5 million in its entirety—with Omidyar leading the new investment, alongside additional funding from private investors, including Horan.