Mailer Reference Guide

> ./mvnw quarkus:add-extensions -Dextensions="mailer"

<dependency>
    <groupId>io.quarkus</groupId>
    <artifactId>quarkus-mailer</artifactId>
</dependency>

@Inject
Mailer mailer;

@Inject
ReactiveMailer reactiveMailer;

// Imperative API:
mailer.send(Mail.withText("to@acme.org", "A simple email from quarkus", "This is my body."));
// Reactive API:
Uni<Void> stage = reactiveMailer.send(Mail.withText("to@acme.org", "A reactive email from quarkus", "This is my body."));

@GET
@Path("/imperative")
public void sendASimpleEmail() {
    mailer.send(Mail.withText("to@acme.org", "A simple email from quarkus", "This is my body"));
}

@GET
@Path("/reactive")
public Uni<Void> sendASimpleEmailAsync() {
    return reactiveMailer.send(
            Mail.withText("to@acme.org", "A reactive email from quarkus", "This is my body"));
}

mailer.send(mail1, mail2, mail3);

@GET
@Path("/attachment")
public void sendEmailWithAttachment() {
        mailer.send(Mail.withText("clement.escoffier@gmail.com", "An email from quarkus with attachment",
                "This is my body")
                .addAttachment("my-file-1.txt",
                        "content of my file".getBytes(), "text/plain")
                .addAttachment("my-file-2.txt",
                        new File("my-file.txt"), "text/plain")
        );
}

@GET
@Path("/html")
public void sendingHTML() {
    String body = "<strong>Hello!</strong>" + "\n" +
        "<p>Here is an image for you: <img src=\"cid:my-image@quarkus.io\"/></p>" +
        "<p>Regards</p>";
    mailer.send(Mail.withHtml("to@acme.org", "An email in HTML", body)
        .addInlineAttachment("quarkus-logo.png",
            new File("quarkus-logo.png"),
            "image/png", "<my-image@quarkus.io>"));
}

import io.quarkus.mailer.MailTemplate;
import io.quarkus.qute.CheckedTemplate;

@Path("")
public class MailingResource {

    @CheckedTemplate
    static class Templates {
        public static native MailTemplateInstance hello(String name); (1)
    }

    @GET
    @Path("/mail")
    public Uni<Void> send() {
        // the template looks like: Hello {name}! (2)
        return Templates.hello("John")
           .to("to@acme.org")  (3)
           .subject("Hello from Qute template")
           .send(); (4)
    }
}

import io.quarkus.mailer.MailTemplate;
import io.quarkus.qute.CheckedTemplate;

@Path("")
public class MailingResource {

    record hello(String name) implements MailTemplateInstance { (1)
    }

    @GET
    @Path("/mail")
    public Uni<Void> send() {
        // the template looks like: Hello {name}! (2)
        return new hello("John")
           .to("to@acme.org")  (3)
           .subject("Hello from Qute template")
           .send(); (4)
    }
}

import io.quarkus.mailer.MailTemplate;

@Inject
@Location("hello")
MailTemplate hello; (1)

@GET
@Path("/mail")
public Uni<Void> send() {
    return hello.to("to@acme.org") (2)
       .subject("Hello from Qute template")
       .data("name", "John") (3)
       .send() (4)
}

@QuarkusTest
class MailTest {

    private static final String TO = "foo@quarkus.io";

    @Inject
    MockMailbox mailbox;

    @BeforeEach
    void init() {
        mailbox.clear();
    }

    @Test
    void testTextMail() throws MessagingException, IOException {
        // call a REST endpoint that sends email
        given()
        .when()
        .get("/send-email")
        .then()
           .statusCode(202)
           .body(is("OK"));

        // verify that it was sent
        List<Mail> sent = mailbox.getMessagesSentTo(TO);
        assertThat(sent).hasSize(1);
        Mail actual = sent.get(0);
        assertThat(actual.getText()).contains("Wake up!");
        assertThat(actual.getSubject()).isEqualTo("Alarm!");

        assertThat(mailbox.getTotalMessagesSent()).isEqualTo(6);
    }
}

@Inject MailClient client;

...
# path within the kv secret engine where is located the application sensitive configuration
# This uses the https://github.com/quarkiverse/quarkus-vault extension.
quarkus.vault.secret-config-kv-path=myapps/myapp/myconfig

...
quarkus.mailer.password=${mail-password}

quarkus.mailer.from=your-from-address@gmail.com 1
quarkus.mailer.host=smtp.gmail.com

quarkus.mailer.aws.from=your-from-address@gmail.com 2
quarkus.mailer.aws.host=${ses.smtp}
quarkus.mailer.aws.port=587

quarkus.mailer.sendgrid.from=your-from-address@gmail.com 3
quarkus.mailer.sendgrid.host=${sendgrid.smtp-host}
quarkus.mailer.sendgrid.port=465

@Inject 1
Mailer mailer;

@Inject 1
ReactiveMailer reactiveMailer;

@Inject 1
@Location("hello")
MailTemplate mailTemplate;

@Inject
@MailerName("aws") 2
Mailer mailer;

@Inject
@MailerName("aws") 2
ReactiveMailer reactiveMailer;

@Inject
@MailerName("aws") 2
@Location("hello")
MailTemplate mailTemplate;

@Inject
@MailerName("sendgrid") 3
Mailer mailer;

@Inject
@MailerName("sendgrid") 3
ReactiveMailer reactiveMailer;

@Inject
@MailerName("sendgrid") 3
@Location("hello")
MailTemplate mailTemplate;