/// <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)
{
if (mailBodyEntity == null)
{
throw new ArgumentNullException();
}
if (sendServerConfiguration == null)
{
throw new ArgumentNullException();
}
var sendResultEntity = new SendResultEntity();
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>
/// 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);
}
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;
}
}