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[英]How to use SMTP or Office 365 account in ASP.Net IIdentityMessageService?
[英]Asp.Net Identity 2.0 - How to Implement IIdentityMessageService to do Async SMTP using SmtpClient?
我實現了Asp.Net 2.0身份簡單EmailService(通過IIdentityMessageService
接口。
public class EmailService : IIdentityMessageService
{
public Task SendAsync(IdentityMessage message)
{
// convert IdentityMessage to a MailMessage
var email =
new MailMessage(new MailAddress("noreply@mydomain.com", "(do not reply)"),
new MailAddress(message.Destination))
{
Subject = message.Subject,
Body = message.Body,
IsBodyHtml = true
};
using (var client = new SmtpClient()) // SmtpClient configuration comes from config file
{
return client.SendMailAsync(email);
}
}
}
要發送電子郵件,我將通過UserManager:
await _userManager.SendEmailAsync(user.Id, "Confirm your account","Please confirm your account by clicking this link: <a href=\\"" + callbackUrl + "\\">link</a>");
問題是,當我調用SendEmailAsync()
時,我得到一個System.Threading.Tasks.TaskCanceledException
,並且不清楚為什么。
如果我同步發送電子郵件( client.Send(email)
),一切正常。
所以我的問題是:
如何防止TaskCanceledException被拋出? (假設我能克服這個錯誤),
我應該如何在電子郵件發送回客戶端時傳達錯誤(即“此處沒有此類用戶”類型的響應來自SmtpClient?
您的問題是在發送電子郵件之前處理了SmtpClient
。
兩種方式:
等待SendMailAsync
結果
using (var client = new SmtpClient()) { await client.SendMailAsync(email); }
注冊SendCompleted
事件並僅在發送消息后處置SmtpClient
var client = new SmtpClient(); client.SendCompleted += (s, e) => { client.Dispose(); }; return client.SendMailAsync(message);
您必須在方法上放置異步。
public async Task SendAsync(IdentityMessage message)
{
using (SmtpClient client = new SmtpClient())
{
using (var mailMessage = new MailMessage("your@email.com", message.Destination, message.Subject, message.Body))
{
await client.SendMailAsync(mailMessage);
}
}
}
}
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