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.AspNetCore.Mvc;
using Microsoft.Extensions.Primitives; using Microsoft.Extensions.Primitives;
using MimeKit;
using SmtpClient = MailKit.Net.Smtp.SmtpClient;
namespace OliverBooth.Controllers; namespace OliverBooth.Controllers;
@ -56,16 +59,20 @@ public class ContactController : Controller
StringValues subject = form["subject"]; StringValues subject = form["subject"];
StringValues message = form["message"]; StringValues message = form["message"];
await using SmtpSender sender = CreateSender(); using SmtpClient client = CreateSmtpClient(out string destination);
try try
{ {
await sender.WriteEmail var emailAddress = email.ToString();
.To("Oliver Booth", _destination.Get<string>()) var mailMessage = new MailMessage();
.From("Contact via Website", _sender.Get<string>())
.ReplyTo(name, email) mailMessage.From = new MailAddress(emailAddress, name);
.Subject(subject) mailMessage.ReplyToList.Add(new MailAddress(emailAddress, name));
.BodyText(message) mailMessage.To.Add(destination);
.SendAsync(); mailMessage.Subject = subject;
mailMessage.Body = message;
mailMessage.IsBodyHtml = false;
await client.SendAsync(MimeMessage.CreateFromMailMessage(mailMessage));
} }
catch (Exception e) catch (Exception e)
{ {
@ -78,16 +85,18 @@ public class ContactController : Controller
return RedirectToPage("/Contact/Result"); return RedirectToPage("/Contact/Result");
} }
private SmtpSender CreateSender() private SmtpClient CreateSmtpClient(out string destination)
{ {
IConfigurationSection mailSection = _configuration.GetSection("Mail"); IConfigurationSection mailSection = _configuration.GetSection("Mail");
string? mailServer = mailSection.GetSection("Server").Value; string? mailServer = mailSection.GetSection("Server").Value;
string? mailUsername = mailSection.GetSection("Username").Value; string? mailUsername = mailSection.GetSection("Username").Value;
string? mailPassword = mailSection.GetSection("Password").Value; string? mailPassword = mailSection.GetSection("Password").Value;
ushort port = mailSection.GetSection("Port").Get<ushort>(); ushort port = mailSection.GetSection("Port").Get<ushort>();
destination = mailSection.GetSection("Destination").Value ?? string.Empty;
var sender = SmtpSender.Create(mailServer, port); var client = new SmtpClient();
sender.SetCredential(mailUsername, mailPassword); client.Connect(mailServer, port, SecureSocketOptions.SslOnConnect);
return sender; client.Authenticate(mailUsername, mailPassword);
return client;
} }
} }