Net::SMTPAuthenticationError (534-5.7.14 <https://accounts.google.com/ContinueSignIn?sarp=1&scc=1&plt=AKgnsbvd_

config.action_mailer.default_url_options = { host: "relsohod.herokuapp.com" }
  config.action_mailer.delivery_method = :smtp
  config.action_mailer.perform_deliveries = true

  config.action_mailer.smtp_settings = {
    openssl_verify_mode: "none",
    tls: false,
    enable_starttls_auto: true,
    address: "smtp.gmail.com",
    domain: "mail.google.com",
    port: 587,
    user_name: "username@gmail.com",
    password: "password",
    authentication: "login",
    enable_starttls_auto: true
  }

ActionMailer::Base.smtp_settings = {

    openssl_verify_mode: "none",
    tls: false,
    enable_starttls_auto: true,
    address: "smtp.gmail.com",
    domain: "mail.google.com",
    port: 587,
    user_name: "username@gmail.com",
    password: "password",
    authentication: "login",
    enable_starttls_auto: true
}

# Devise settings.
  config.action_mailer.default_url_options = { :host => "localhost:3000" }
  config.action_mailer.delivery_method :smtp