问题
Is there a way to check the score in an ASP.Net application? A class or something similar for .Net? How about other Spam Filters out there. --Edited I am looking for a way to check the spam score of the email messages in C#.
回答1:
Here is my super simplified "just check the score" code for connecting to a running Spam Assassin email check from C# which I wrote for http://elasticemail.com. Just setup SA to run on a server and set the access permissions.
Then you can use this code to call it:
public class SimpleSpamAssassin
{
public class RuleResult
{
public double Score = 0;
public string Rule = "";
public string Description = "";
public RuleResult() { }
public RuleResult(string line)
{
Score = double.Parse(line.Substring(0, line.IndexOf(" ")).Trim());
line = line.Substring(line.IndexOf(" ") + 1);
Rule = line.Substring(0, 23).Trim();
Description = line.Substring(23).Trim();
}
}
public static List<RuleResult> GetReport(string serverIP, string message)
{
string command = "REPORT";
StringBuilder sb = new StringBuilder();
sb.AppendFormat("{0} SPAMC/1.2\r\n", command);
sb.AppendFormat("Content-Length: {0}\r\n\r\n", message.Length);
sb.AppendFormat(message);
byte[] messageBuffer = Encoding.ASCII.GetBytes(sb.ToString());
using (Socket spamAssassinSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
spamAssassinSocket.Connect(serverIP, 783);
spamAssassinSocket.Send(messageBuffer);
spamAssassinSocket.Shutdown(SocketShutdown.Send);
int received;
string receivedMessage = string.Empty;
do
{
byte[] receiveBuffer = new byte[1024];
received = spamAssassinSocket.Receive(receiveBuffer);
receivedMessage += Encoding.ASCII.GetString(receiveBuffer, 0, received);
}
while (received > 0);
spamAssassinSocket.Shutdown(SocketShutdown.Both);
return ParseResponse(receivedMessage);
}
}
private static List<RuleResult> ParseResponse(string receivedMessage)
{
//merge line endings
receivedMessage = receivedMessage.Replace("\r\n", "\n");
receivedMessage = receivedMessage.Replace("\r", "\n");
string[] lines = receivedMessage.Split('\n');
List<RuleResult> results = new List<RuleResult>();
bool inReport = false;
foreach (string line in lines)
{
if (inReport)
{
try
{
results.Add(new RuleResult(line.Trim()));
}
catch
{
//past the end of the report
}
}
if (line.StartsWith("---"))
inReport = true;
}
return results;
}
}
Usage is quite easy:
List<RuleResult> spamCheckResult = SimpleSpamAssassin.GetReport(IP OF SA Server, FULL Email including headers);
It will return the list of spam check rules you hit and the resulting score impact.
回答2:
I am not exactly sure if that's what you are searching for, but there is a C# wrapper that simplifies the communication with a SpamAssassin server on Code Project:
- A C# Wrapper for the SpamAssassin Protocol
Hope that helps!
来源:https://stackoverflow.com/questions/5038574/spamassassin-check-score-c-sharp-code