Farmers Business Network, which makes software for the agricultural industry, raises $300M Series G at a $4B valuation and says it could go public next year (Katie Roof/Bloomberg)

ZeptoMail turns one: our first year with ZeptoMail  —  About a year ago, we launched ZeptoMail, our transactional email sending platform, into the world.  Despite the tough times the world has seen in the last year, you have made it a wonderful journey.