diff --git a/config/runtime.exs b/config/runtime.exs
index e00668d0..462103ac 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -114,4 +114,16 @@ if config_env() == :prod do
   #     config :swoosh, :api_client, Swoosh.ApiClient.Hackney
   #
   # See https://hexdocs.pm/swoosh/Swoosh.html#module-installation for details.
+
+  config :radiator, Radiator.Mailer,
+    adapter: Swoosh.Adapters.SMTP,
+    relay: System.get_env("SMTP_SERVER"),
+    username: System.get_env("SMTP_USERNAME"),
+    password: System.get_env("SMTP_PASSWORD"),
+    ssl: false,
+    tls: :always,
+    auth: :always,
+    port: String.to_integer(System.get_env("SMTP_PORT")),
+    retries: 2,
+    no_mx_lookups: false
 end
diff --git a/mix.exs b/mix.exs
index d5010e43..b4e795be 100644
--- a/mix.exs
+++ b/mix.exs
@@ -38,6 +38,7 @@ defmodule Radiator.MixProject do
       {:esbuild, "~> 0.8", runtime: Mix.env() == :dev},
       {:finch, "~> 0.13"},
       {:floki, ">= 0.30.0", only: :test},
+      {:gen_smtp, "~> 1.1"},
       {:gettext, "~> 0.20"},
       {:jason, "~> 1.2"},
       {:mix_test_watch, "~> 1.0", only: [:dev, :test], runtime: false},
diff --git a/mix.lock b/mix.lock
index e8d28b08..39ca9ae6 100644
--- a/mix.lock
+++ b/mix.lock
@@ -16,6 +16,7 @@
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
   "finch": {:hex, :finch, "0.16.0", "40733f02c89f94a112518071c0a91fe86069560f5dbdb39f9150042f44dcfb1a", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.3", [hex: :mint, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.4 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 0.2.6 or ~> 1.0", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "f660174c4d519e5fec629016054d60edd822cdfe2b7270836739ac2f97735ec5"},
   "floki": {:hex, :floki, "0.35.2", "87f8c75ed8654b9635b311774308b2760b47e9a579dabf2e4d5f1e1d42c39e0b", [:mix], [], "hexpm", "6b05289a8e9eac475f644f09c2e4ba7e19201fd002b89c28c1293e7bd16773d9"},
+  "gen_smtp": {:hex, :gen_smtp, "1.2.0", "9cfc75c72a8821588b9b9fe947ae5ab2aed95a052b81237e0928633a13276fd3", [:rebar3], [{:ranch, ">= 1.8.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "5ee0375680bca8f20c4d85f58c2894441443a743355430ff33a783fe03296779"},
   "gettext": {:hex, :gettext, "0.23.1", "821e619a240e6000db2fc16a574ef68b3bd7fe0167ccc264a81563cc93e67a31", [:mix], [{:expo, "~> 0.4.0", [hex: :expo, repo: "hexpm", optional: false]}], "hexpm", "19d744a36b809d810d610b57c27b934425859d158ebd56561bc41f7eeb8795db"},
   "hpax": {:hex, :hpax, "0.1.2", "09a75600d9d8bbd064cdd741f21fc06fc1f4cf3d0fcc335e5aa19be1a7235c84", [:mix], [], "hexpm", "2c87843d5a23f5f16748ebe77969880e29809580efdaccd615cd3bed628a8c13"},
   "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},