Network failure using Swoosh

Working settings for Gmail (port 587)

config :sample, Sample.Mailer,
  adapter: Swoosh.Adapters.SMTP,
  relay: "smtp.gmail.com",
  username: "name@gmail.com",
  password: "apppassword",
  ssl: false,
  tls: :always,
  auth: :always,
  port: 587,
  retries: 2

Requirements for Gmail:

  1. Set up 2-Step Verification
  2. Generate app password
  3. Switch off your VPN (if you’re testing on localhost)