335 lines
9.2 KiB
C#
335 lines
9.2 KiB
C#
using IRaCIS.Core.Domain.Share;
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using MailKit;
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using MailKit.Security;
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using MimeKit;
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using Org.BouncyCastle.Tls;
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namespace IRaCIS.Core.Application.Helper;
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public static class SendEmailHelper
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{
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public static async Task<string> SendEmailAsync(MimeMessage messageToSend, SystemEmailSendConfig _systemEmailConfig, EventHandler<MessageSentEventArgs>? messageSentSuccess = null)
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{
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string result = string.Empty;
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result = messageToSend.MessageId;
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//没有收件人 那么不发送
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if (messageToSend.To.Count == 0)
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{
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return string.Empty;
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}
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try
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{
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using (var smtp = new MailKit.Net.Smtp.SmtpClient())
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{
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if (messageSentSuccess != null)
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{
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smtp.MessageSent += messageSentSuccess;
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}
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smtp.ServerCertificateValidationCallback = (s, c, h, e) => true;
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//await smtp.ConnectAsync("smtp.qq.com", 465, SecureSocketOptions.SslOnConnect);
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//await smtp.AuthenticateAsync("zhou941003@qq.com", "sqfhlpfdvnexbcab");
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await smtp.ConnectAsync(_systemEmailConfig.Host, _systemEmailConfig.Port, SecureSocketOptions.Auto);
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await smtp.AuthenticateAsync(_systemEmailConfig.FromEmail, _systemEmailConfig.AuthorizationCode);
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await smtp.SendAsync(messageToSend);
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await smtp.DisconnectAsync(true);
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}
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}
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catch (Exception ex)
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{
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//---邮件发送失败，您进行的操作未能成功，请检查邮箱或联系维护人员
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throw new Exception(I18n.T("SendEmail_SendFail"), new Exception(ex.Message));
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}
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return result;
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}
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/// <summary>
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/// 发送项目邮件
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/// </summary>
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/// <param name="messageToSend"></param>
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/// <param name="trial"></param>
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/// <param name="messageSentSuccess"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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public static async Task<string> SendTrialEmailAsync(MimeMessage messageToSend, Trial trial, EventHandler<MessageSentEventArgs>? messageSentSuccess = null)
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{
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// 项目的需要重设 发件地址与邮件地址
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var fromAddress = messageToSend.From.Mailboxes.FirstOrDefault();
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if (fromAddress != null)
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{
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messageToSend.From.Clear();
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messageToSend.From.Add(new MailboxAddress(trial.EmailFromName, trial.EmailFromEmail));
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}
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string result = string.Empty;
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result = messageToSend.MessageId;
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//没有收件人 那么不发送
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if (messageToSend.To.Count == 0)
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{
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return string.Empty;
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}
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// 替换邮件标题
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if (!string.IsNullOrEmpty(messageToSend.Subject))
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{
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foreach (var item in trial.TrialObjectNameList)
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{
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// 把标题里的占位符替换成真实名称
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messageToSend.Subject = messageToSend.Subject.Replace(item.Name, item.TrialName);
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}
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}
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// 构建替换字典
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var replacements = new Dictionary<string, string>();
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foreach (var item in trial.TrialObjectNameList)
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{
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replacements[item.Name] = item.TrialName;
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}
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// 安全替换 HTML
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ReplaceHtmlContent(messageToSend.Body, replacements);
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try
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{
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using (var smtp = new MailKit.Net.Smtp.SmtpClient())
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{
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if (messageSentSuccess != null)
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{
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smtp.MessageSent += messageSentSuccess;
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}
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smtp.ServerCertificateValidationCallback = (s, c, h, e) => true;
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//await smtp.ConnectAsync("smtp.qq.com", 465, SecureSocketOptions.SslOnConnect);
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//await smtp.AuthenticateAsync("zhou941003@qq.com", "sqfhlpfdvnexbcab");
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//await smtp.ConnectAsync(_systemEmailConfig.Host, _systemEmailConfig.Port, SecureSocketOptions.Auto);
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//await smtp.AuthenticateAsync(_systemEmailConfig.FromEmail, _systemEmailConfig.AuthorizationCode);
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await smtp.ConnectAsync(trial.EmailSMTPServerAddress, trial.EmailSMTPServerPort, SecureSocketOptions.Auto);
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await smtp.AuthenticateAsync(trial.EmailFromEmail, trial.EmailAuthorizationCode);
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await smtp.SendAsync(messageToSend);
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await smtp.DisconnectAsync(true);
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}
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}
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catch (Exception ex)
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{
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//---邮件发送失败，您进行的操作未能成功，请检查邮箱或联系维护人员
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throw new Exception(I18n.T("SendEmail_SendFail"), new Exception(ex.Message));
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}
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return result;
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}
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// 遍历邮件体，找到 HTML 部分并替换
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public static void ReplaceHtmlContent(MimeEntity entity, Dictionary<string, string> replacements)
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{
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if (entity is Multipart multipart)
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{
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foreach (var part in multipart)
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{
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ReplaceHtmlContent(part, replacements);
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}
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}
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else if (entity is TextPart textPart && textPart.IsHtml)
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{
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// 只有这里才是真正的 HTML
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foreach (var kv in replacements)
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{
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textPart.Text = textPart.Text.Replace(kv.Key, kv.Value);
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}
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}
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}
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public static async Task<bool> TestEmailConfigAsync(SystemEmailSendConfig _systemEmailConfig)
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{
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using (var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5)))
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{
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using (var client = new MailKit.Net.Smtp.SmtpClient())
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{
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await client.ConnectAsync(_systemEmailConfig.Host, _systemEmailConfig.Port, SecureSocketOptions.Auto, cts.Token);
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await client.AuthenticateAsync(_systemEmailConfig.FromEmail, _systemEmailConfig.AuthorizationCode, cts.Token);
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await client.DisconnectAsync(true);
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}
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}
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return true;
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}
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public static async Task SendEmailAsync(SMTPEmailConfig sMTPEmailConfig, Trial? trial, EventHandler<MessageSentEventArgs>? messageSentSuccess = null)
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{
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var messageToSend = new MimeMessage();
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//主题
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messageToSend.Subject = sMTPEmailConfig.TopicDescription;
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//发件地址
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messageToSend.From.Add(sMTPEmailConfig.FromEmailAddress);
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//收件地址
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if (sMTPEmailConfig.ToMailAddressList.Count == 0)
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{
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return;
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//---没有收件人
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//throw new ArgumentException(I18n.T("SendEmail_NoRecipient"));
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}
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else
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{
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foreach (var item in sMTPEmailConfig.ToMailAddressList)
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{
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messageToSend.To.Add(item);
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}
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//抄送
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foreach (var copyToMailAddress in sMTPEmailConfig.CopyToMailAddressList)
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{
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messageToSend.Cc.Add(copyToMailAddress);
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}
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}
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var builder = new BodyBuilder();
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//html body
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builder.HtmlBody = sMTPEmailConfig.HtmlBodyStr;
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//附件
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foreach (var item in sMTPEmailConfig.EmailAttachMentConfigList)
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{
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//builder.Attachments.Add(item.FileName, item.FileData);
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var attachment = builder.Attachments.Add(item.FileName, item.FileStream);
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//解决附件名过长 奇怪的名字
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foreach (var param in attachment.ContentDisposition.Parameters)
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param.EncodingMethod = ParameterEncodingMethod.Rfc2047;
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foreach (var param in attachment.ContentType.Parameters)
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param.EncodingMethod = ParameterEncodingMethod.Rfc2047;
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}
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messageToSend.Body = builder.ToMessageBody();
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using (var smtp = new MailKit.Net.Smtp.SmtpClient())
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{
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if (messageSentSuccess != null)
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{
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smtp.MessageSent += messageSentSuccess;
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}
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smtp.ServerCertificateValidationCallback = (s, c, h, e) => true;
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await smtp.ConnectAsync(sMTPEmailConfig.Host, sMTPEmailConfig.Port, SecureSocketOptions.Auto);
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await smtp.AuthenticateAsync(trial.EmailFromEmail, trial.EmailAuthorizationCode);
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await smtp.SendAsync(messageToSend);
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await smtp.DisconnectAsync(true);
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}
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}
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}
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public class SMTPEmailConfig
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{
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public int Port { get; set; }
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public string Host { get; set; }
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public string UserName { get; set; }
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public string AuthorizationCode { get; set; }
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//邮件HtmlBody
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public string HtmlBodyStr { get; set; } = string.Empty;
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//发
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public MailboxAddress FromEmailAddress { get; set; }
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//收
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public List<MailboxAddress> ToMailAddressList { get; set; } = new List<MailboxAddress>();
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//抄送
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public List<MailboxAddress> CopyToMailAddressList { get; set; } = new List<MailboxAddress>();
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//邮件主题
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public string TopicDescription { get; set; } = string.Empty;
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//邮件附件
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public List<EmailAttachMentConfig> EmailAttachMentConfigList { get; set; } = new List<EmailAttachMentConfig>() { };
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}
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public class EmailAttachMentConfig
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{
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public string FileName { get; set; }
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public Stream FileStream { get; set; }
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public byte[] FileData { get; set; }
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}
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