Getting a ASP Error: Mailbox unavailable. The server response was: Access denied - Invalid HELO name (See RFC2821 4.1.1.
The SMTP server requires a secure connection or the client was not authenticated.(SMTP 服务器需要安全连接或客户端未通过
Sending an email to the local domain(向本地域发送电子邮件)
SMTP error: quot;Client does not have permission to submit mail to this serverquot;(SMTP 错误:“客户端无权向此服务器提交
1amp;1 web hosting and smtp configuration(11 网络托管和 smtp 配置)
Sending Mail using gmail SMTP from CSharp/.net(从 CSharp/.net 使用 gmail SMTP 发送邮件)
C# - SMTP - GoDaddy - Send Email(C# - SMTP - GoDaddy - 发送电子邮件)
Compiling HTML body for mail in c#(在 C# 中为邮件编译 HTML 正文)
System.Net.Mail and MailMessage not Sending Messages Immediately(System.Net.Mail 和 MailMessage 不立即发送消息)
Speed up sending multiple emails through smtp server using System.Net.Mail(使用 System.Net.Mail 加速通过 smtp 服务器发送
Log4net html formatted SmtpAppender(Log4net html 格式化的 SmtpAppender)
Failure sending mail. Unable to write data to the transport connection(邮件发送失败.无法将数据写入传输连接)