# config/config.exs
config :my_app, mailgun_domain: "https://api.mailgun.net/v3/mydomain.com",
mailgun_key: "key-##############"
# lib/mailer.ex
defmodule MyApp.Mailer do
@config domain: Application.get_env(:my_app, :mailgun_domain),
key: Application.get_env(:my_app, :mailgun_key)
use Mailgun.Client, @config
@from "[email protected]"
def send_welcome_text_email(user) do
send_email to: user.email,
from: @from,
subject: "hello!",
text: "Welcome!"
end
def send_welcome_html_email(user) do
send_email to: user.email,
from: @from,
subject: "hello!",
html: "<strong>Welcome!</strong>"
end
# attachments expect a list of maps. Each map should have a filename and path/content
def send_greetings(user, file_path) do
send_email to: user.email,
from: @from,
subject: "Happy b'day",
html: "<strong>Cheers!</strong>",
attachments: [%{path: file_path, filename: "greetings.png"}]
end
def send_invoice(user) do
pdf = Invoice.create_for(user) # a string
send_email to: user.email,
from: @from,
subject: "Invoice",
html: "<strong>Your Invoice</strong>",
attachments: [%{content: pdf, filename: "invoice.pdf"}]
end
end
iex> MyApp.Mailer.send_welcome_text_email(user)
{:ok, ...}Add mailgun to your mix.exs dependencies:
def deps do
[ {:mailgun, "~> 0.1.2"} ]
endFor testing purposes mailgun can output emails to a local file instead of
actually sending them. Just set the mode configuration key to :test
and the test_file_path to where you want that file to appear.
# lib/mailer.ex
defmodule MyApp.Mailer do
@config domain: Application.get_env(:my_app, :mailgun_domain),
key: Application.get_env(:my_app, :mailgun_key),
mode: :test,
test_file_path: "/tmp/mailgun.json"
use Mailgun.Client, @config
...
endUnder the hood the client uses httpc
to call Mailgun REST API. You can inject any valid httpc options to your
outbound requests by defining them within httpc_opts config entry:
# lib/mailer.ex
defmodule MyApp.Mailer do
@config domain: Application.get_env(:my_app, :mailgun_domain),
key: Application.get_env(:my_app, :mailgun_key),
httpc_opts: [connect_timeout: 2000, timeout: 3000]
use Mailgun.Client, @config
...
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