diff --git a/Fakemail.Core/Engine.cs b/Fakemail.Core/Engine.cs
index 4e899c5..4f067df 100644
--- a/Fakemail.Core/Engine.cs
+++ b/Fakemail.Core/Engine.cs
@@ -436,9 +436,6 @@ static void Add(string[] source, MailAddressCollection dest)
                     message.Attachments.Add(new System.Net.Mail.Attachment(contentStream, attachment.Filename, attachment.ContentType));
                 }
 
-                smtpUser.SmtpUsername = "1utrb0";
-                smtpUser.SmtpPassword = "eBXoZO4GEwV";
-
                 var smtpClient = new SmtpClient(smtpServer.Host, smtpServer.Port)
                 {
                     EnableSsl = true,