public void SendMail(string from, string to, string subject, string body, string cc = null, string bcc = null, System.Net.Mail.Attachment[] attachments = null, string smtpServer = null,
string smtpUserName = null, string smtpPassword = null, int smtpServerPortNumber = -1, bool removeCurrentUser = false, string currentUserEmail = null)
{
var myMessage = new MimeMessage();
myMessage.From.Add(new MailboxAddress(from));
if (removeCurrentUser)
{
to = RemoveCurrentUser(currentUserEmail, to);
cc = RemoveCurrentUser(currentUserEmail, cc);
bcc = RemoveCurrentUser(currentUserEmail, bcc);
}
var debugMailReceiver = Convert.ToString(registryReader.GetHKLMValue("SOFTWARE\\BB", "DebugMailReceiver"));
if (string.IsNullOrEmpty(debugMailReceiver))
{
debugMailReceiver = _configuration.GetValue <string>("appSettings:mail:testMails");
}
if (string.IsNullOrEmpty(debugMailReceiver))
{
debugMailReceiver = null;
}
#if DEBUG
try
{
myMessage.To.Add(new MailboxAddress(registryReader.GetValue("HKEY_CURRENT_USER\\BB", "DebugMailReceiver").ToString()));
}
catch (Exception ex)
{
string m1 = string.Format("Email is not valid");
string m2 = string.Format("E-mail must be supplied ([email protected])");
string message =
$"{ex} Error in sending mail to: {to} {(string.IsNullOrEmpty(_configuration.GetValue<string>("appSettings:mail:debugMailReceiver")) ? m2 : m1)}";
throw new Exception(message);
}
#else
var toAddress = debugMailReceiver ?? to;
myMessage.To.Add(new MailboxAddress(toAddress));
#endif
if (!string.IsNullOrEmpty(cc))
{
#if !DEBUG
myMessage.Cc.Add(new MailboxAddress(debugMailReceiver ?? cc));
#endif
}
if (!string.IsNullOrEmpty(bcc))
{
#if !DEBUG
myMessage.Bcc.Add(new MailboxAddress(debugMailReceiver ?? bcc));
#endif
}
myMessage.Subject = subject;
var textPart = new TextPart(TextFormat.Html)
{
Text = $"<body style=\"font-family: Verdana, arial;font-size:11px\">{body}</body>"
};
if (attachments != null)
{
var multipart = new Multipart("mixed")
{
textPart
};
foreach (var a in attachments)
{
var attachment = new MimePart("image", "gif")
{
Content = new MimeContent(a.ContentStream),
ContentDisposition = new ContentDisposition(ContentDisposition.Attachment),
ContentTransferEncoding = ContentEncoding.Base64,
FileName = a.Name
};
multipart.Add(attachment);
}
myMessage.Body = multipart;
}
else
{
myMessage.Body = textPart;
}
#if DEBUG
textPart.Text += $"<br> Original recipient: {to} CC: {cc} BCC: {bcc} ";
#else
if (!string.IsNullOrEmpty(debugMailReceiver))
{
textPart.Text += string.Format("<br> Original recipient: {0} CC: {1} BCC: {2} ", to, cc, bcc);
}
#endif
if (smtpServer == null)
{
smtpServer = _configuration.GetValue <string>("appSettings:mail:server");
}
if (smtpUserName == null)
{
smtpUserName = _configuration.GetValue <string>("appSettings:mail:account");
}
if (smtpPassword == null)
{
smtpPassword = _configuration.GetValue <string>("appSettings:mail:password");
}
if (smtpServerPortNumber == -1)
{
smtpServerPortNumber = _configuration.GetValue <int>("appSettings:mail:port");
}
var useSsl = _configuration.GetValue <bool>("appSettings:mail:ssl");
try
{
//Prevent cert validation error (bathroomsourcing.com)
mailer.ServerCertificateValidationCallback = (s, c, h, e) => true;
//The last parameter here is to use SSL (Which you should!)
mailer.Connect(smtpServer, smtpServerPortNumber, useSsl);
//Remove any OAuth functionality as we won't be using it.
mailer.AuthenticationMechanisms.Remove("XOAUTH2");
mailer.Authenticate(smtpUserName, smtpPassword);
mailer.Send(myMessage);
mailer.Disconnect(true);
}
catch (Exception sException)
{
string m1 = string.Format("Email is not valid");
string m2 = string.Format("E-mail must be supplied ([email protected])");
string message = $"Error in sending mail to: {to} {(string.IsNullOrEmpty(to) ? m2 : m1)}";
throw new Exception(message, sException);
}
}
