/// <inheritdoc />
public override string SendMail(MailInfo mailInfo, SmtpInfo smtpInfo = null)
{
var(host, port, errorMessage) = ParseSmtpServer(ref smtpInfo);
if (errorMessage != null)
{
return(errorMessage);
}
using (var mailMessage = CreateMailMessage(mailInfo, smtpInfo))
{
try
{
using (var smtpClient = CreateSmtpClient(smtpInfo, host, port))
{
smtpClient.Send(mailMessage);
}
return(string.Empty);
}
catch (Exception exc)
{
return(HandleException(exc));
}
}
}
/// <inheritdoc />
public override string SendMail(MailInfo mailInfo, SmtpInfo smtpInfo = null)
{
try
{
var(host, port, errorMessage) = ParseSmtpServer(ref smtpInfo);
if (errorMessage != null)
{
return(errorMessage);
}
var mailMessage = CreateMailMessage(mailInfo, smtpInfo);
using (var smtpClient = new SmtpClient())
{
smtpClient.Connect(host, port, SecureSocketOptions.Auto);
if (smtpInfo.Authentication == "1" && !string.IsNullOrEmpty(smtpInfo.Username) && !string.IsNullOrEmpty(smtpInfo.Password))
{
smtpClient.Authenticate(smtpInfo.Username, smtpInfo.Password);
}
smtpClient.Send(mailMessage);
smtpClient.Disconnect(true);
}
return(string.Empty);
}
catch (Exception exc)
{
return(HandleException(exc));
}
}
private static SmtpClient CreateSmtpClient(SmtpInfo smtpInfo, string host, int?port)
{
SmtpClient client = null;
try
{
client = new SmtpClient();
client.Host = host;
if (port != null)
{
client.Port = port.Value;
}
SetSmtpClientAuthentication(smtpInfo, client);
client.EnableSsl = smtpInfo.EnableSSL;
var returnedClient = client;
client = null;
return(returnedClient);
}
finally
{
client?.Dispose();
}
}
private static (string host, int?port, string errorMessage) ParseSmtpServer(ref SmtpInfo smtpInfo)
{
var errorMessage = ValidateSmtpInfo(smtpInfo);
if (errorMessage != null)
{
return(null, null, errorMessage);
}
smtpInfo = GetDefaultSmtpInfo(smtpInfo);
smtpInfo.Server = smtpInfo.Server.Trim();
if (!SmtpServerRegex.IsMatch(smtpInfo.Server))
{
return(null, null, Localize.GetString("SMTPConfigurationProblem"));
}
var smtpHostParts = smtpInfo.Server.Split(':');
var host = smtpHostParts[0];
if (smtpHostParts.Length <= 1)
{
return(host, null, null);
}
// port is guaranteed to be of max 5 digits numeric by the RegEx check
var port = int.Parse(smtpHostParts[1]);
if (port < 1 || port > 65535)
{
return(null, null, Localize.GetString("SmtpInvalidPort"));
}
return(host, port, null);
}
/// <inheritdoc />
public override async Task <string> SendMailAsync(MailInfo mailInfo, SmtpInfo smtpInfo = null, CancellationToken cancellationToken = default(CancellationToken))
{
var(host, port, errorMessage) = ParseSmtpServer(ref smtpInfo);
if (errorMessage != null)
{
return(errorMessage);
}
var mailMessage = CreateMailMessage(mailInfo, smtpInfo);
try
{
using (var smtpClient = new SmtpClient())
{
await smtpClient.ConnectAsync(host, port, SecureSocketOptions.Auto, cancellationToken);
if (smtpInfo.Authentication == "1" && !string.IsNullOrEmpty(smtpInfo.Username) && !string.IsNullOrEmpty(smtpInfo.Password))
{
await smtpClient.AuthenticateAsync(smtpInfo.Username, smtpInfo.Password, cancellationToken);
}
await smtpClient.SendAsync(mailMessage, cancellationToken);
await smtpClient.DisconnectAsync(true, cancellationToken);
}
return(string.Empty);
}
catch (Exception exc)
{
return(HandleException(exc));
}
}
/// <inheritdoc />
public override async Task <string> SendMailAsync(MailInfo mailInfo, SmtpInfo smtpInfo = null, CancellationToken cancellationToken = default(CancellationToken))
{
var(host, port, errorMessage) = ParseSmtpServer(ref smtpInfo);
if (errorMessage != null)
{
return(errorMessage);
}
using (var mailMessage = CreateMailMessage(mailInfo, smtpInfo))
{
try
{
using (var smtpClient = CreateSmtpClient(smtpInfo, host, port))
{
await smtpClient.SendMailAsync(mailMessage);
}
return(string.Empty);
}
catch (Exception exc)
{
return(HandleException(exc));
}
}
}
public static string SendMail(string mailFrom, string mailSender, string mailTo, string cc, string bcc, string replyTo, MailPriority priority, string subject, MailFormat bodyFormat, Encoding bodyEncoding,
string body, ICollection <MailAttachment> attachments, string smtpServer, string smtpAuthentication, string smtpUsername, string smtpPassword, bool smtpEnableSSL)
{
var smtpInfo = new SmtpInfo
{
Server = smtpServer,
Authentication = smtpAuthentication,
Username = smtpUsername,
Password = smtpPassword,
EnableSSL = smtpEnableSSL,
};
var mailInfo = new MailInfo
{
From = mailFrom,
Sender = mailSender,
To = mailTo,
CC = cc,
BCC = bcc,
ReplyTo = replyTo,
Priority = priority,
BodyEncoding = bodyEncoding,
BodyFormat = bodyFormat,
Body = body,
Subject = subject,
Attachments = attachments,
};
if (PortalSettings.Current != null && UserController.GetUserByEmail(PortalSettings.Current.PortalId, mailFrom) != null)
{
mailInfo.FromName = UserController.GetUserByEmail(PortalSettings.Current.PortalId, mailFrom).DisplayName;
}
return(MailProvider.Instance().SendMail(mailInfo, smtpInfo));
}
private static string ValidateSmtpInfo(SmtpInfo smtpInfo)
{
if (smtpInfo != null && !string.IsNullOrEmpty(smtpInfo.Server))
{
return(null);
}
if (!string.IsNullOrWhiteSpace(Host.SMTPServer))
{
return(null);
}
return("SMTP Server not configured");
}
private static (string host, int port, string errorMessage) ParseSmtpServer(ref SmtpInfo smtpInfo)
{
var port = 25;
if (smtpInfo == null || string.IsNullOrEmpty(smtpInfo.Server))
{
if (string.IsNullOrWhiteSpace(Host.SMTPServer))
{
return(null, port, "SMTP Server not configured");
}
smtpInfo = new SmtpInfo
{
Server = Host.SMTPServer,
Authentication = Host.SMTPAuthentication,
Username = Host.SMTPUsername,
Password = Host.SMTPPassword,
EnableSSL = Host.EnableSMTPSSL,
};
}
if (smtpInfo.Authentication == "2")
{
throw new NotSupportedException("NTLM authentication is not supported by MailKit provider");
}
smtpInfo.Server = smtpInfo.Server.Trim();
if (!SmtpServerRegex.IsMatch(smtpInfo.Server))
{
return(null, port, Localize.GetString("SMTPConfigurationProblem"));
}
var smtpHostParts = smtpInfo.Server.Split(':');
var host = smtpHostParts[0];
if (smtpHostParts.Length <= 1)
{
return(host, port, null);
}
// port is guaranteed to be of max 5 digits numeric by the RegEx check
port = int.Parse(smtpHostParts[1]);
if (port < 1 || port > 65535)
{
return(host, port, Localize.GetString("SmtpInvalidPort"));
}
return(host, port, null);
}
private static SmtpInfo GetDefaultSmtpInfo(SmtpInfo smtpInfo)
{
if (smtpInfo != null && !string.IsNullOrEmpty(smtpInfo.Server))
{
return(smtpInfo);
}
return(new SmtpInfo
{
Server = Host.SMTPServer,
Authentication = Host.SMTPAuthentication,
Username = Host.SMTPUsername,
Password = Host.SMTPPassword,
EnableSSL = Host.EnableSMTPSSL,
});
}
private static void SetSmtpClientAuthentication(SmtpInfo smtpInfo, SmtpClient smtpClient)
{
switch (smtpInfo.Authentication)
{
case "":
case "0": // anonymous
break;
case "1": // basic
if (!string.IsNullOrEmpty(smtpInfo.Username) && !string.IsNullOrEmpty(smtpInfo.Password))
{
smtpClient.UseDefaultCredentials = false;
smtpClient.Credentials = new NetworkCredential(smtpInfo.Username, smtpInfo.Password);
}
break;
case "2": // NTLM
smtpClient.UseDefaultCredentials = true;
break;
}
}
/// <inheritdoc />
public override string SendMail(MailInfo mailInfo, SmtpInfo smtpInfo = null)
{
// validate smtp server
if (smtpInfo == null || string.IsNullOrEmpty(smtpInfo.Server))
{
if (string.IsNullOrWhiteSpace(Host.SMTPServer))
{
return("SMTP Server not configured");
}
smtpInfo = new SmtpInfo
{
Server = Host.SMTPServer,
Authentication = Host.SMTPAuthentication,
Username = Host.SMTPUsername,
Password = Host.SMTPPassword,
EnableSSL = Host.EnableSMTPSSL,
};
}
var mailMessage = new MimeMessage();
mailMessage.From.Add(ParseAddressWithDisplayName(displayName: mailInfo.FromName, address: mailInfo.From));
if (!string.IsNullOrEmpty(mailInfo.Sender))
{
mailMessage.Sender = MailboxAddress.Parse(mailInfo.Sender);
}
// translate semi-colon delimiters to commas as ASP.NET 2.0 does not support semi-colons
if (!string.IsNullOrEmpty(mailInfo.To))
{
mailInfo.To = mailInfo.To.Replace(";", ",");
mailMessage.To.AddRange(InternetAddressList.Parse(mailInfo.To));
}
if (!string.IsNullOrEmpty(mailInfo.CC))
{
mailInfo.CC = mailInfo.CC.Replace(";", ",");
mailMessage.Cc.AddRange(InternetAddressList.Parse(mailInfo.CC));
}
if (!string.IsNullOrEmpty(mailInfo.BCC))
{
mailInfo.BCC = mailInfo.BCC.Replace(";", ",");
mailMessage.Bcc.AddRange(InternetAddressList.Parse(mailInfo.BCC));
}
if (!string.IsNullOrEmpty(mailInfo.ReplyTo))
{
mailInfo.ReplyTo = mailInfo.ReplyTo.Replace(";", ",");
mailMessage.ReplyTo.AddRange(InternetAddressList.Parse(mailInfo.ReplyTo));
}
mailMessage.Priority = (MessagePriority)mailInfo.Priority;
// Only modify senderAddress if smtpAuthentication is enabled
// Can be "0", empty or Null - anonymous, "1" - basic, "2" - NTLM.
if (smtpInfo.Authentication == "1" || smtpInfo.Authentication == "2")
{
// if the senderAddress is the email address of the Host then switch it smtpUsername if different
// if display name of senderAddress is empty, then use Host.HostTitle for it
if (mailMessage.Sender != null)
{
var senderAddress = mailInfo.Sender;
var senderDisplayName = mailInfo.FromName;
var needUpdateSender = false;
if (smtpInfo.Username.Contains("@") && senderAddress == Host.HostEmail &&
!senderAddress.Equals(smtpInfo.Username, StringComparison.InvariantCultureIgnoreCase))
{
senderAddress = smtpInfo.Username;
needUpdateSender = true;
}
if (string.IsNullOrEmpty(senderDisplayName))
{
senderDisplayName = Host.SMTPPortalEnabled ? PortalSettings.Current.PortalName : Host.HostTitle;
needUpdateSender = true;
}
if (needUpdateSender)
{
mailMessage.Sender = ParseAddressWithDisplayName(displayName: senderDisplayName, address: senderAddress);
}
}
else if (smtpInfo.Username.Contains("@"))
{
mailMessage.Sender = ParseAddressWithDisplayName(
displayName: Host.SMTPPortalEnabled ? PortalSettings.Current.PortalName : Host.HostTitle,
address: smtpInfo.Username);
}
}
var builder = new BodyBuilder
{
TextBody = Mail.ConvertToText(mailInfo.Body),
};
if (mailInfo.BodyFormat == MailFormat.Html)
{
builder.HtmlBody = mailInfo.Body;
}
// attachments
if (mailInfo.Attachments != null)
{
foreach (var attachment in mailInfo.Attachments.Where(attachment => attachment.Content != null))
{
builder.Attachments.Add(attachment.Filename, attachment.Content, ContentType.Parse(attachment.ContentType));
}
}
// message
mailMessage.Subject = HtmlUtils.StripWhiteSpace(mailInfo.Subject, true);
mailMessage.Body = builder.ToMessageBody();
smtpInfo.Server = smtpInfo.Server.Trim();
if (!SmtpServerRegex.IsMatch(smtpInfo.Server))
{
return(Localize.GetString("SMTPConfigurationProblem"));
}
try
{
var smtpHostParts = smtpInfo.Server.Split(':');
var host = smtpHostParts[0];
var port = 25;
if (smtpHostParts.Length > 1)
{
// port is guaranteed to be of max 5 digits numeric by the RegEx check
port = int.Parse(smtpHostParts[1]);
if (port < 1 || port > 65535)
{
return(Localize.GetString("SmtpInvalidPort"));
}
}
// to workaround problem in 4.0 need to specify host name
using (var smtpClient = new SmtpClient())
{
smtpClient.Connect(host, port, SecureSocketOptions.Auto);
switch (smtpInfo.Authentication)
{
case "":
case "0": // anonymous
break;
case "1": // basic
if (!string.IsNullOrEmpty(smtpInfo.Username) &&
!string.IsNullOrEmpty(smtpInfo.Password))
{
smtpClient.Authenticate(smtpInfo.Username, smtpInfo.Password);
}
break;
case "2": // NTLM (Not Supported by MailKit)
throw new NotSupportedException("NTLM authentication is not supported by MailKit provider");
}
smtpClient.Send(mailMessage);
smtpClient.Disconnect(true);
}
return(string.Empty);
}
catch (Exception exc)
{
var retValue = Localize.GetString("SMTPConfigurationProblem") + " ";
// mail configuration problem
if (exc.InnerException != null)
{
retValue += string.Concat(exc.Message, Environment.NewLine, exc.InnerException.Message);
Exceptions.Exceptions.LogException(exc.InnerException);
}
else
{
retValue += exc.Message;
Exceptions.Exceptions.LogException(exc);
}
return(retValue);
}
}
private static MailMessage CreateMailMessage(MailInfo mailInfo, SmtpInfo smtpInfo)
{
// translate semi-colon delimiters to commas as ASP.NET 2.0 does not support semi-colons
if (!string.IsNullOrEmpty(mailInfo.To))
{
mailInfo.To = mailInfo.To.Replace(";", ",");
}
var mailMessage = new MailMessage(mailInfo.From, mailInfo.To);
if (!string.IsNullOrEmpty(mailInfo.Sender))
{
mailMessage.Sender = new MailAddress(mailInfo.Sender);
}
if (!string.IsNullOrEmpty(mailInfo.CC))
{
mailInfo.CC = mailInfo.CC.Replace(";", ",");
mailMessage.CC.Add(mailInfo.CC);
}
if (!string.IsNullOrEmpty(mailInfo.BCC))
{
mailInfo.BCC = mailInfo.BCC.Replace(";", ",");
mailMessage.Bcc.Add(mailInfo.BCC);
}
if (!string.IsNullOrEmpty(mailInfo.ReplyTo))
{
mailInfo.ReplyTo = mailInfo.ReplyTo.Replace(";", ",");
mailMessage.ReplyToList.Add(mailInfo.ReplyTo);
}
mailMessage.Priority = (System.Net.Mail.MailPriority)mailInfo.Priority;
mailMessage.IsBodyHtml = mailInfo.BodyFormat == MailFormat.Html;
// Only modify senderAddress if smtpAuthentication is enabled
// Can be "0", empty or Null - anonymous, "1" - basic, "2" - NTLM.
if (smtpInfo.Authentication == "1" || smtpInfo.Authentication == "2")
{
// if the senderAddress is the email address of the Host then switch it smtpUsername if different
// if display name of senderAddress is empty, then use Host.HostTitle for it
if (mailMessage.Sender != null)
{
var senderAddress = mailInfo.Sender;
var senderDisplayName = mailInfo.FromName;
var needUpdateSender = false;
if (smtpInfo.Username.Contains("@") &&
senderAddress == Host.HostEmail &&
!senderAddress.Equals(smtpInfo.Username, StringComparison.InvariantCultureIgnoreCase))
{
senderAddress = smtpInfo.Username;
needUpdateSender = true;
}
if (string.IsNullOrEmpty(senderDisplayName))
{
senderDisplayName = Host.SMTPPortalEnabled ? PortalSettings.Current.PortalName : Host.HostTitle;
needUpdateSender = true;
}
if (needUpdateSender)
{
mailMessage.Sender = new MailAddress(senderAddress, senderDisplayName);
}
}
else if (smtpInfo.Username.Contains("@"))
{
mailMessage.Sender = new MailAddress(
smtpInfo.Username,
Host.SMTPPortalEnabled ? PortalSettings.Current.PortalName : Host.HostTitle);
}
}
// attachments
if (mailInfo.Attachments != null)
{
foreach (var attachment in mailInfo.Attachments.Where(attachment => attachment.Content != null))
{
mailMessage.Attachments.Add(
new Attachment(
new MemoryStream(attachment.Content, writable: false),
attachment.Filename,
attachment.ContentType));
}
}
// message
mailMessage.SubjectEncoding = mailInfo.BodyEncoding;
mailMessage.Subject = HtmlUtils.StripWhiteSpace(mailInfo.Subject, true);
mailMessage.BodyEncoding = mailInfo.BodyEncoding;
mailMessage.Body = mailInfo.Body;
AddAlternateView(mailMessage, mailInfo.Body, mailInfo.BodyEncoding);
return(mailMessage);
}
private static MimeMessage CreateMailMessage(MailInfo mailInfo, SmtpInfo smtpInfo)
{
var mailMessage = new MimeMessage();
mailMessage.From.Add(ParseAddressWithDisplayName(displayName: mailInfo.FromName, address: mailInfo.From));
if (!string.IsNullOrEmpty(mailInfo.Sender))
{
mailMessage.Sender = MailboxAddress.Parse(mailInfo.Sender);
}
// translate semi-colon delimiters to commas as ASP.NET 2.0 does not support semi-colons
if (!string.IsNullOrEmpty(mailInfo.To))
{
mailInfo.To = mailInfo.To.Replace(";", ",");
mailMessage.To.AddRange(InternetAddressList.Parse(mailInfo.To));
}
if (!string.IsNullOrEmpty(mailInfo.CC))
{
mailInfo.CC = mailInfo.CC.Replace(";", ",");
mailMessage.Cc.AddRange(InternetAddressList.Parse(mailInfo.CC));
}
if (!string.IsNullOrEmpty(mailInfo.BCC))
{
mailInfo.BCC = mailInfo.BCC.Replace(";", ",");
mailMessage.Bcc.AddRange(InternetAddressList.Parse(mailInfo.BCC));
}
if (!string.IsNullOrEmpty(mailInfo.ReplyTo))
{
mailInfo.ReplyTo = mailInfo.ReplyTo.Replace(";", ",");
mailMessage.ReplyTo.AddRange(InternetAddressList.Parse(mailInfo.ReplyTo));
}
mailMessage.Priority = ToMessagePriority(mailInfo.Priority);
// Only modify senderAddress if smtpAuthentication is enabled
// Can be "0", empty or Null - anonymous, "1" - basic, "2" - NTLM.
if (smtpInfo.Authentication == "1" || smtpInfo.Authentication == "2")
{
// if the senderAddress is the email address of the Host then switch it smtpUsername if different
// if display name of senderAddress is empty, then use Host.HostTitle for it
if (mailMessage.Sender != null)
{
var senderAddress = mailInfo.Sender;
var senderDisplayName = mailInfo.FromName;
var needUpdateSender = false;
if (smtpInfo.Username.Contains("@") &&
senderAddress == Host.HostEmail &&
!senderAddress.Equals(smtpInfo.Username, StringComparison.InvariantCultureIgnoreCase))
{
senderAddress = smtpInfo.Username;
needUpdateSender = true;
}
if (string.IsNullOrEmpty(senderDisplayName))
{
senderDisplayName = Host.SMTPPortalEnabled ? PortalSettings.Current.PortalName : Host.HostTitle;
needUpdateSender = true;
}
if (needUpdateSender)
{
mailMessage.Sender = ParseAddressWithDisplayName(
displayName: senderDisplayName,
address: senderAddress);
}
}
else if (smtpInfo.Username.Contains("@"))
{
mailMessage.Sender = ParseAddressWithDisplayName(
displayName: Host.SMTPPortalEnabled ? PortalSettings.Current.PortalName : Host.HostTitle,
address: smtpInfo.Username);
}
}
var builder = new BodyBuilder {
TextBody = Mail.ConvertToText(mailInfo.Body),
};
if (mailInfo.BodyFormat == MailFormat.Html)
{
builder.HtmlBody = mailInfo.Body;
}
// attachments
if (mailInfo.Attachments != null)
{
foreach (var attachment in mailInfo.Attachments.Where(attachment => attachment.Content != null))
{
builder.Attachments.Add(attachment.Filename, attachment.Content, ContentType.Parse(attachment.ContentType));
}
}
// message
mailMessage.Subject = HtmlUtils.StripWhiteSpace(mailInfo.Subject, true);
mailMessage.Body = builder.ToMessageBody();
return(mailMessage);
}
public abstract string SendMail(MailInfo mailInfo, SmtpInfo smtpInfo = null);
/// <summary>Sends an email.</summary>
/// <param name="mailInfo">Information about the message to send.</param>
/// <param name="smtpInfo">Information about the SMTP server via which to send the message.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns><see cref="string.Empty"/> if the message send successfully, otherwise an error message.</returns>
public virtual async Task <string> SendMailAsync(MailInfo mailInfo, SmtpInfo smtpInfo = null, CancellationToken cancellationToken = default(CancellationToken))
{
return(this.SendMail(mailInfo, smtpInfo));
}
/// <inheritdoc />
public override string SendMail(MailInfo mailInfo, SmtpInfo smtpInfo = null)
{
// validate smtp server
if (smtpInfo == null || string.IsNullOrEmpty(smtpInfo.Server))
{
if (string.IsNullOrWhiteSpace(Host.SMTPServer))
{
return("SMTP Server not configured");
}
smtpInfo = new SmtpInfo()
{
Server = Host.SMTPServer,
Authentication = Host.SMTPAuthentication,
Username = Host.SMTPUsername,
Password = Host.SMTPPassword,
EnableSSL = Host.EnableSMTPSSL,
};
}
// translate semi-colon delimiters to commas as ASP.NET 2.0 does not support semi-colons
if (!string.IsNullOrEmpty(mailInfo.To))
{
mailInfo.To = mailInfo.To.Replace(";", ",");
}
if (!string.IsNullOrEmpty(mailInfo.CC))
{
mailInfo.CC = mailInfo.CC.Replace(";", ",");
}
if (!string.IsNullOrEmpty(mailInfo.BCC))
{
mailInfo.BCC = mailInfo.BCC.Replace(";", ",");
}
var retValue = string.Empty;
var mailMessage = new MailMessage(mailInfo.From, mailInfo.To);
if (!string.IsNullOrEmpty(mailInfo.Sender))
{
mailMessage.Sender = new MailAddress(mailInfo.Sender);
}
mailMessage.Priority = (System.Net.Mail.MailPriority)mailInfo.Priority;
mailMessage.IsBodyHtml = mailInfo.BodyFormat == MailFormat.Html;
// Only modify senderAddress if smtpAuthentication is enabled
// Can be "0", empty or Null - anonymous, "1" - basic, "2" - NTLM.
if (smtpInfo.Authentication == "1" || smtpInfo.Authentication == "2")
{
// if the senderAddress is the email address of the Host then switch it smtpUsername if different
// if display name of senderAddress is empty, then use Host.HostTitle for it
if (mailMessage.Sender != null)
{
var senderAddress = mailInfo.Sender;
var senderDisplayName = mailInfo.FromName;
var needUpdateSender = false;
if (smtpInfo.Username.Contains("@") && senderAddress == Host.HostEmail &&
!senderAddress.Equals(smtpInfo.Username, StringComparison.InvariantCultureIgnoreCase))
{
senderAddress = smtpInfo.Username;
needUpdateSender = true;
}
if (string.IsNullOrEmpty(senderDisplayName))
{
senderDisplayName = Host.SMTPPortalEnabled ? PortalSettings.Current.PortalName : Host.HostTitle;
needUpdateSender = true;
}
if (needUpdateSender)
{
mailMessage.Sender = new MailAddress(senderAddress, senderDisplayName);
}
}
else if (smtpInfo.Username.Contains("@"))
{
mailMessage.Sender = new MailAddress(smtpInfo.Username, Host.SMTPPortalEnabled ? PortalSettings.Current.PortalName : Host.HostTitle);
}
}
// attachments
if (mailInfo.Attachments != null)
{
foreach (var attachment in mailInfo.Attachments.Where(attachment => attachment.Content != null))
{
mailMessage.Attachments.Add(
new Attachment(
new MemoryStream(attachment.Content, writable: false),
attachment.Filename,
attachment.ContentType));
}
}
// message
mailMessage.Subject = HtmlUtils.StripWhiteSpace(mailInfo.Subject, true);
mailMessage.Body = mailInfo.Body;
smtpInfo.Server = smtpInfo.Server.Trim();
if (SmtpServerRegex.IsMatch(smtpInfo.Server))
{
try
{
// to workaround problem in 4.0 need to specify host name
using (var smtpClient = new SmtpClient())
{
var smtpHostParts = smtpInfo.Server.Split(':');
smtpClient.Host = smtpHostParts[0];
if (smtpHostParts.Length > 1)
{
// port is guaranteed to be of max 5 digits numeric by the RegEx check
var port = int.Parse(smtpHostParts[1]);
if (port < 1 || port > 65535)
{
return(Localize.GetString("SmtpInvalidPort"));
}
smtpClient.Port = port;
}
switch (smtpInfo.Authentication)
{
case "":
case "0": // anonymous
break;
case "1": // basic
if (!string.IsNullOrEmpty(smtpInfo.Username) &&
!string.IsNullOrEmpty(smtpInfo.Password))
{
smtpClient.UseDefaultCredentials = false;
smtpClient.Credentials = new NetworkCredential(
smtpInfo.Username,
smtpInfo.Password);
}
break;
case "2": // NTLM
smtpClient.UseDefaultCredentials = true;
break;
}
smtpClient.EnableSsl = smtpInfo.EnableSSL;
smtpClient.Send(mailMessage);
smtpClient.Dispose();
}
}
catch (Exception exc)
{
retValue = Localize.GetString("SMTPConfigurationProblem") + " ";
// mail configuration problem
if (exc.InnerException != null)
{
retValue += string.Concat(exc.Message, Environment.NewLine, exc.InnerException.Message);
Exceptions.Exceptions.LogException(exc.InnerException);
}
else
{
retValue += exc.Message;
Exceptions.Exceptions.LogException(exc);
}
}
finally
{
mailMessage.Dispose();
}
}
else
{
retValue = Localize.GetString("SMTPConfigurationProblem");
}
return(retValue);
}
