Hacker News on 26 April 2017

• Postal: Open source mail delivery platform, alternative to Mailgun or Sendgrid
• India Is Winning Its War on Human Waste
• Suicide of an Uber engineer: Widow blames job stress
• Robinhood stock trading app confirms $110M raise at $1.3B valuation
• Hanging up my spurs
• My Hackintosh Hardware Spec
• Swift architecture at Uber
• A vigilante trying to improve IoT security
• The Grim Biology of Being Poor
• Should I buy ECC memory? (2015)