AugusteVN.MailKit.SmtpMailer 1.1.2

MailKit SMTP Mailer

Send emails using MailKit over SMTP using to be configured with a existing e-mail account.

Configuration

appSettings.json

{
  "SmtpConfig": {
    "Host": "<to-fill>",
    "Port": 465,
    "UseSsl": true,
    "Email": "<to-fill>",
    "Password": "<to-fill>",
    "Name": "<from-name-optional>"
  }
}

Program.cs

builder.Services
    .AddOptions<SmtpConfig>()
    .BindConfiguration(nameof(SmtpConfig));

builder.Services.AddSingleton<ISmtpMailer, SmtpMailer>();

// Or initialize an instance.

var smtpMailer = new SmtpMailer(new SmtpConfig { Host = "<to-fill>", Port = 465, UseSsl = true, ... });

Send Email

Program.cs

app.MapPost("/", async (ISmtpMailer smtpMailer) => {
    
    await smtpMailer.SendAsync(subject: "", body: "", new Recipients { To = "", ReplyTo = null, Cc = null, Bcc = null }, headers: null);
    
    // Or use the overload and construct your own 'MimeMessage'.
    await smtpMailer.SendAsync(new MimeMessage { Subject = "", ... })
    
    return Results.NoContent();
});

To see it in action, watch: .NET 8 New Identity Endpoints Implemented in C#.