Elixirでメールを送信

kamilc/mailmanを利用します。

Githubにサンプルプロジェクト

ソースコード

lib/mailer.ex

defmodule Mailer do
  def deliver(email) do
    # CC or BCCを利用する場合、:send_cc_and_bccが必要
    Mailman.deliver(email, config, :send_cc_and_bcc)
  end

  def config do
    %Mailman.Context{
      config: %Mailman.SmtpConfig{
        relay: "smtp.gmail.com",
        username: "MAILADDRESS",
        password: "PASSWORD",
        port: 587,
        auth: :always,
        tls: :always
      },
      composer: %Mailman.EexComposeConfig{
        html_file: false,
        text_file: true,
        text_file_path: "lib/templates/"
      }
    }
  end
end

defmodule Mail do
  def run do
    send
  end

  def send do
    Mailer.deliver(contents)
  end

  def contents do
    %Mailman.Email{
      subject: "subject",
      from: "FROM",
      to: ["TO"],
      bcc: ["BCC"],
      data: [], # テンプレートを使う場合、必須
      text: "mailer.txt.eex"
    }
  end
end

lib/templates/mailer.txt.eex

Hoge

mix.exs

  # 省略
  defp deps do
    [{:mailman, "~> 0.2.2"}]
  end
  # 省略

実行

$ mix run -e Mail.run