以下為郵件傳送使用**tp協議，在使用過程中曾經遇到郵件不能傳送的問題，如果你也遇到了，可以檢查一下windows的防火牆，windows自帶的防火牆如有啟用，可加入例外埠：25。如有安裝金山病毒防火牆，也需要將25埠的過濾禁用。
///郵件實體類：
using system;
using system.collections.generic;
using system.text;
using system.net.mail;
namespace qsystem.toolkit
public mail(string **tpserver, string username, string userpassword, string from, string to, string subject, string body)
: this(**tpserver, username, userpassword, from, to, subject, body, null)
public mail(string **tpserver, string username, string userpassword, string from, string to, string subject, string body, string attachments)
: this(**tpserver, username, userpassword, from, to, subject, body, attachments, false)
public mail(string **tpserver, string username, string userpassword, string from, string to, string subject, string body, string attachments, bool isbodyhtml)
: this(**tpserver, username, userpassword, from, to, subject, body, attachments, isbodyhtml, encoding.default)
public mail(string **tpserver, string username, string userpassword, string from, string to, string subject, string body, string attachments, bool isbodyhtml, encoding encoding)
string **tpserver;
///
/// **tp伺服器位址
///
public string **tpserver
set
}string username;
///
/// 使用者名稱
///
public string username
set
}string userpassword;
///
/// 密碼
///
public string userpassword
set
}string from;
///
/// 發件人
///
public string from
set
}string to;
///
/// 收件人
///
public string to
set
}string subject;
///
/// 主題
///
public string subject
set
}string body;
///
/// 內容
///
public string body
set
}bool isbodyhtml;
///
/// 是否以html格式傳送
///
public bool isbodyhtml
set
}encoding encoding;
///
/// 編碼格式
///
public encoding encoding
set
}string attachments;
///
/// 附件
///
public string attachments
set }}
}///傳送類
using system;
using system.collections.generic;
using system.text;
using system.net.mail;
using system.io;
namespace qsystem.toolkit
public void send(mail mails)
}public void send(mail mail)
}client.send(message);}}
}}}///呼叫示例
mail mail = new mail("**tp.***.com", "qiusz", "密碼", "qiusz@***.com",new string, "測試郵件標題", "測試郵件內容", null, true);
mailposter poster = new mailposter();
poster.send(mail);
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