/// <summary>
/// 发送邮件
/// </summary>
/// <param name="mailBodyEntity">邮件基础信息</param>
public static SendResultEntity SendMail(MailBodyEntity mailBodyEntity)
{
var sendResultEntity = new SendResultEntity();
if (mailBodyEntity == null)
{
throw new ArgumentNullException();
}
SendServerConfigurationEntity sendServerConfiguration = new SendServerConfigurationEntity();
YuebonCacheHelper yuebonCacheHelper = new YuebonCacheHelper();
AppSetting sysSetting = yuebonCacheHelper.Get <AppSetting>("SysSetting");
if (sysSetting != null)
{
sendServerConfiguration.SmtpHost = DEncrypt.Decrypt(sysSetting.Emailsmtp);
sendServerConfiguration.SenderAccount = sysSetting.Emailusername;
sendServerConfiguration.SenderPassword = DEncrypt.Decrypt(sysSetting.Emailpassword);
sendServerConfiguration.SmtpPort = sysSetting.Emailport.ToInt();
sendServerConfiguration.IsSsl = sysSetting.Emailssl.ToBool();
sendServerConfiguration.MailEncoding = "utf-8";
mailBodyEntity.Sender = sysSetting.Emailnickname;
mailBodyEntity.SenderAddress = sysSetting.Emailusername;
}
else
{
sendResultEntity.ResultInformation = "邮件服务器未配置";
sendResultEntity.ResultStatus = false;
throw new ArgumentNullException();
}
sendResultEntity = SendMail(mailBodyEntity, sendServerConfiguration);
return(sendResultEntity);
}
/// <summary>
/// 账户认证
/// </summary>
/// <param name="mailBodyEntity">邮件内容</param>
/// <param name="sendServerConfiguration">发送配置</param>
/// <param name="client">客户端对象</param>
/// <param name="sendResultEntity">发送结果</param>
public static void Authenticate(MailBodyEntity mailBodyEntity, SendServerConfigurationEntity sendServerConfiguration,
SmtpClient client, SendResultEntity sendResultEntity)
{
try
{
client.Authenticate(sendServerConfiguration.SenderAccount, sendServerConfiguration.SenderPassword);
}
catch (AuthenticationException ex)
{
sendResultEntity.ResultInformation = $"无效的用户名或密码:{0}" + ex.Message;
sendResultEntity.ResultStatus = false;
}
catch (SmtpCommandException ex)
{
sendResultEntity.ResultInformation = $"尝试验证错误:{0}" + ex.Message;
sendResultEntity.ResultStatus = false;
}
catch (SmtpProtocolException ex)
{
sendResultEntity.ResultInformation = $"尝试验证时的协议错误:{0}" + ex.Message;
sendResultEntity.ResultStatus = false;
}
catch (Exception ex)
{
sendResultEntity.ResultInformation = $"账户认证错误:{0}" + ex.Message;
sendResultEntity.ResultStatus = false;
}
}
/// <summary>
/// 发送邮件
/// </summary>
/// <param name="mailBodyEntity">邮件基础信息</param>
/// <param name="sendServerConfiguration">发件人基础信息</param>
public static SendResultEntity SendMail(MailBodyEntity mailBodyEntity,
SendServerConfigurationEntity sendServerConfiguration)
{
var sendResultEntity = new SendResultEntity();
if (mailBodyEntity == null)
{
throw new ArgumentNullException();
}
if (sendServerConfiguration == null)
{
sendResultEntity.ResultInformation = "邮件服务器未配置";
sendResultEntity.ResultStatus = false;
throw new ArgumentNullException();
}
using (var client = new SmtpClient(new ProtocolLogger(MailMessage.CreateMailLog())))
{
client.ServerCertificateValidationCallback = (s, c, h, e) => true;
Connection(mailBodyEntity, sendServerConfiguration, client, sendResultEntity);
if (sendResultEntity.ResultStatus == false)
{
return(sendResultEntity);
}
SmtpClientBaseMessage(client);
// Note: since we don't have an OAuth2 token, disable
// the XOAUTH2 authentication mechanism.
client.AuthenticationMechanisms.Remove("XOAUTH2");
Authenticate(mailBodyEntity, sendServerConfiguration, client, sendResultEntity);
if (sendResultEntity.ResultStatus == false)
{
return(sendResultEntity);
}
Send(mailBodyEntity, sendServerConfiguration, client, sendResultEntity);
if (sendResultEntity.ResultStatus == false)
{
return(sendResultEntity);
}
client.Disconnect(true);
}
return(sendResultEntity);
}
/// <summary>
/// 设置邮件基础信息
/// </summary>
/// <param name="minMessag"></param>
/// <param name="mailBodyEntity"></param>
/// <returns></returns>
public static MimeMessage SetMailBaseMessage(MimeMessage minMessag, MailBodyEntity mailBodyEntity)
{
if (minMessag == null)
{
throw new ArgumentNullException();
}
if (mailBodyEntity == null)
{
throw new ArgumentNullException();
}
//插入发件人
minMessag.From.Add(new MailboxAddress(mailBodyEntity.Sender, mailBodyEntity.SenderAddress));
//插入收件人
if (mailBodyEntity.Recipients.Any())
{
foreach (var recipients in mailBodyEntity.Recipients)
{
minMessag.To.Add(new MailboxAddress("mailAddress", recipients));
}
}
//插入抄送人
if (mailBodyEntity.Cc != null && mailBodyEntity.Cc.Any())
{
foreach (var cC in mailBodyEntity.Cc)
{
minMessag.Cc.Add(new MailboxAddress("mailAddress", cC));
}
}
//插入密送人
if (mailBodyEntity.Bcc != null && mailBodyEntity.Bcc.Any())
{
foreach (var bcc in mailBodyEntity.Bcc)
{
minMessag.Bcc.Add(new MailboxAddress("mailAddress", bcc));
}
}
//插入主题
minMessag.Subject = mailBodyEntity.Subject;
return(minMessag);
}
/// <summary>
/// 组装邮件文本/附件邮件信息
/// </summary>
/// <param name="mailBodyEntity">邮件消息实体</param>
/// <returns></returns>
public static MimeMessage AssemblyMailMessage(MailBodyEntity mailBodyEntity)
{
if (mailBodyEntity == null)
{
throw new ArgumentNullException(nameof(mailBodyEntity));
}
var message = new MimeMessage();
//设置邮件基本信息
SetMailBaseMessage(message, mailBodyEntity);
var multipart = new Multipart("mixed");
//插入文本消息
if (!string.IsNullOrEmpty(mailBodyEntity.Body))
{
var alternative = new MultipartAlternative
{
AssemblyMailTextMessage(mailBodyEntity.Body, mailBodyEntity.MailBodyType)
};
multipart.Add(alternative);
}
if (mailBodyEntity.MailFiles != null)
{
//插入附件
foreach (var mailFile in mailBodyEntity.MailFiles)
{
if (mailFile.MailFilePath != null && File.Exists(mailFile.MailFilePath))
{
var mimePart = AssemblyMailAttachmentMessage(mailFile.MailFileType, mailFile.MailFileSubType,
mailFile.MailFilePath);
multipart.Add(mimePart);
}
}
}
//组合邮件内容
message.Body = multipart;
return(message);
}
/// <summary>
/// 连接服务器
/// </summary>
/// <param name="mailBodyEntity">邮件内容</param>
/// <param name="sendServerConfiguration">发送配置</param>
/// <param name="client">客户端对象</param>
/// <param name="sendResultEntity">发送结果</param>
public static void Connection(MailBodyEntity mailBodyEntity, SendServerConfigurationEntity sendServerConfiguration,
SmtpClient client, SendResultEntity sendResultEntity)
{
try
{
client.Connect(sendServerConfiguration.SmtpHost, sendServerConfiguration.SmtpPort, sendServerConfiguration.IsSsl);
}
catch (SmtpCommandException ex)
{
sendResultEntity.ResultInformation = $"尝试连接时出错:{0}" + ex.Message;
sendResultEntity.ResultStatus = false;
}
catch (SmtpProtocolException ex)
{
sendResultEntity.ResultInformation = $"尝试连接时的协议错误:{0}" + ex.Message;
sendResultEntity.ResultStatus = false;
}
catch (Exception ex)
{
sendResultEntity.ResultInformation = $"服务器连接错误:{0}" + ex.Message;
sendResultEntity.ResultStatus = false;
}
}
/// <summary>
/// 发送邮件
/// </summary>
/// <param name="mailBodyEntity">邮件内容</param>
/// <param name="sendServerConfiguration">发送配置</param>
/// <param name="client">客户端对象</param>
/// <param name="sendResultEntity">发送结果</param>
public static void Send(MailBodyEntity mailBodyEntity, SendServerConfigurationEntity sendServerConfiguration,
SmtpClient client, SendResultEntity sendResultEntity)
{
try
{
client.Send(MailMessage.AssemblyMailMessage(mailBodyEntity));
}
catch (SmtpCommandException ex)
{
switch (ex.ErrorCode)
{
case SmtpErrorCode.RecipientNotAccepted:
sendResultEntity.ResultInformation = $"收件人未被接受:{ex.Message}";
break;
case SmtpErrorCode.SenderNotAccepted:
sendResultEntity.ResultInformation = $"发件人未被接受:{ex.Message}";
break;
case SmtpErrorCode.MessageNotAccepted:
sendResultEntity.ResultInformation = $"消息未被接受:{ex.Message}";
break;
}
sendResultEntity.ResultStatus = false;
}
catch (SmtpProtocolException ex)
{
sendResultEntity.ResultInformation = $"发送消息时的协议错误:{ex.Message}";
sendResultEntity.ResultStatus = false;
}
catch (Exception ex)
{
sendResultEntity.ResultInformation = $"邮件接收失败:{ex.Message}";
sendResultEntity.ResultStatus = false;
}
}