oliverbooth/oliverbooth.dev
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fix: use SSL/TLS not STARTTLS for outbound mail

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This commit is contained in:
Oliver Booth 2024-10-23 17:40:50 +01:00
parent af09e29d17
commit 0b1037819a
Signed by: oliverbooth
GPG Key ID: 2A862C3F46178E8E
1 changed files with 22 additions and 13 deletions
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35
OliverBooth/Controllers/ContactController.cs
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@ -1,6 +1,9 @@
using MailKitSimplified.Sender.Services;
using System.Net.Mail;
using MailKit.Security;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Primitives;
using MimeKit;
using SmtpClient = MailKit.Net.Smtp.SmtpClient;
namespace OliverBooth.Controllers;
@ -56,16 +59,20 @@ public class ContactController : Controller
StringValues subject = form["subject"];
StringValues message = form["message"];
await using SmtpSender sender = CreateSender();
using SmtpClient client = CreateSmtpClient(out string destination);
try
{
await sender.WriteEmail
.To("Oliver Booth", _destination.Get<string>())
.From("Contact via Website", _sender.Get<string>())
.ReplyTo(name, email)
.Subject(subject)
.BodyText(message)
.SendAsync();
var emailAddress = email.ToString();
var mailMessage = new MailMessage();
mailMessage.From = new MailAddress(emailAddress, name);
mailMessage.ReplyToList.Add(new MailAddress(emailAddress, name));
mailMessage.To.Add(destination);
mailMessage.Subject = subject;
mailMessage.Body = message;
mailMessage.IsBodyHtml = false;
await client.SendAsync(MimeMessage.CreateFromMailMessage(mailMessage));
}
catch (Exception e)
{
@ -78,16 +85,18 @@ public class ContactController : Controller
return RedirectToPage("/Contact/Result");
}
private SmtpSender CreateSender()
private SmtpClient CreateSmtpClient(out string destination)
{
IConfigurationSection mailSection = _configuration.GetSection("Mail");
string? mailServer = mailSection.GetSection("Server").Value;
string? mailUsername = mailSection.GetSection("Username").Value;
string? mailPassword = mailSection.GetSection("Password").Value;
ushort port = mailSection.GetSection("Port").Get<ushort>();
destination = mailSection.GetSection("Destination").Value ?? string.Empty;
var sender = SmtpSender.Create(mailServer, port);
sender.SetCredential(mailUsername, mailPassword);
return sender;
var client = new SmtpClient();
client.Connect(mailServer, port, SecureSocketOptions.SslOnConnect);
client.Authenticate(mailUsername, mailPassword);
return client;
}
}