public void TestSMTPLogonFailure()
{
_settings.AutoBanOnLogonFailure = true;
_settings.MaxInvalidLogonAttempts = 2;
_settings.MaxInvalidLogonAttemptsWithin = 5;
_settings.AutoBanMinutes = 3;
Account account = SingletonProvider <TestSetup> .Instance.AddAccount(_domain, "*****@*****.**", "test");
var sim = new SMTPClientSimulator();
//[email protected] / test
string errorMessage;
CustomAssert.IsTrue(sim.ConnectAndLogon("dGVzdEB0ZXN0LmNvbQ==", "dGVzdA==", out errorMessage));
sim.Disconnect();
// confirm that we can retrieve welcome message.
CustomAssert.IsTrue(sim.GetWelcomeMessage().StartsWith("220"));
// fail to log on 3 times.
for (int i = 0; i < 2; i++)
{
CustomAssert.IsFalse(sim.ConnectAndLogon("dGVzdEB0ZXN0LmNvbQ==", "Vaffe==", out errorMessage));
sim.Disconnect();
if (i == 2)
{
CustomAssert.IsTrue(errorMessage.Contains("Too many invalid logon attempts."));
}
}
CustomAssert.IsTrue(sim.GetWelcomeMessage().Length == 0);
string logText = TestSetup.ReadCurrentDefaultLog();
CustomAssert.IsTrue(logText.Contains("Blocked either by IP range or by connection limit."), logText);
}
public void TestSameRecipientMultipleTimes()
{
hMailServer.Logging logging = SingletonProvider<Utilities>.Instance.GetApp().Settings.Logging;
logging.AWStatsEnabled = true;
logging.Enabled = true;
if (File.Exists(logging.CurrentAwstatsLog))
File.Delete(logging.CurrentAwstatsLog);
hMailServer.Account account1 = SingletonProvider<Utilities>.Instance.AddAccount(_domain, "*****@*****.**", "test");
SMTPClientSimulator oSMTP = new SMTPClientSimulator();
oSMTP.Connect(25);
Assert.IsTrue(oSMTP.Receive().StartsWith("220"));
oSMTP.Send("HELO test\r\n");
Assert.IsTrue(oSMTP.Receive().StartsWith("250"));
oSMTP.Send("MAIL FROM: [email protected]\r\n");
Assert.IsTrue(oSMTP.Receive().StartsWith("250"));
oSMTP.Send("RCPT TO: [email protected]\r\n");
Assert.IsTrue(oSMTP.Receive().StartsWith("250"));
oSMTP.Send("RCPT TO: [email protected]\r\n");
Assert.IsTrue(oSMTP.Receive().StartsWith("250"));
oSMTP.Disconnect();
}
public void TestRcptToSyntax()
{
hMailServer.Account account1 = SingletonProvider<Utilities>.Instance.AddAccount(_domain, "*****@*****.**", "test");
SMTPClientSimulator oSMTP = new SMTPClientSimulator();
oSMTP.Connect(25);
Assert.IsTrue(oSMTP.Receive().StartsWith("220"));
oSMTP.Send("HELO test\r\n");
Assert.IsTrue(oSMTP.Receive().StartsWith("250"));
// A few tests of invalid syntax.
Assert.IsTrue(oSMTP.SendAndReceive("MAIL FROM: <*****@*****.**>\r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("RCPT TO: [email protected]>\r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("RCPT TO: <[email protected]\r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("RCPT TO <[email protected]\r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("RCPT TO<[email protected]\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("RCPT TO: <*****@*****.**>\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("RCPT TO: [email protected]\r\n").StartsWith("250"));
oSMTP.Disconnect();
}
public void TestMailFromSyntaxValidation()
{
var account1 = SingletonProvider<Utilities>.Instance.AddAccount(_domain, "*****@*****.**", "test");
SMTPClientSimulator oSMTP = new SMTPClientSimulator();
oSMTP.Connect(25);
Assert.IsTrue(oSMTP.Receive().StartsWith("220"));
oSMTP.Send("HELO test\r\n");
Assert.IsTrue(oSMTP.Receive().StartsWith("250"));
// A few tests of invalid syntax.
Assert.IsFalse(oSMTP.SendAndReceive("MAIL FROM: <[email protected]\r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("MAIL FROM: [email protected]>\r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("MAIL FROM: < [email protected] \r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("MAIL FROM: < \r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("MAIL FROM: > \r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("MAIL FROM: <[email protected]\r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("MAIL FROM <*****@*****.**>\r\n").StartsWith("250"));
Assert.IsFalse(oSMTP.SendAndReceive("MAIL FROM [email protected]\r\n").StartsWith("250"));
// Valid syntax, < and >
Assert.IsTrue(oSMTP.SendAndReceive("MAIL FROM: <*****@*****.**>\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("RSET\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("MAIL FROM: [email protected]\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("RSET\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("MAIL FROM: [email protected] \r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("RSET\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("MAIL FROM:[email protected]\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("RSET\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("MAIL FROM:<*****@*****.**>\r\n").StartsWith("250"));
Assert.IsTrue(oSMTP.SendAndReceive("RSET\r\n").StartsWith("250"));
oSMTP.Disconnect();
}
public void TestHelo()
{
SMTPClientSimulator oSimulator = new SMTPClientSimulator();
oSimulator.Connect(25);
string sWelcome = oSimulator.Receive();
oSimulator.Send("HELO\r\n");
string sResponse = oSimulator.Receive();
if (!sResponse.StartsWith("501"))
throw new Exception("Invalid response to HELO");
oSimulator.Send("HELO \r\n");
sResponse = oSimulator.Receive();
if (!sResponse.StartsWith("501"))
throw new Exception("Invalid response to HELO");
oSimulator.Send("HELO TEST.COM\r\n");
sResponse = oSimulator.Receive();
if (!sResponse.StartsWith("250"))
throw new Exception("Invalid response to HELO");
oSimulator.Send("HELO TEST.COM\r\n");
sResponse = oSimulator.Receive();
if (!sResponse.StartsWith("250"))
throw new Exception("Invalid response to HELO");
oSimulator.Send("EHLO TEST.COM\r\n");
sResponse = oSimulator.Receive();
if (!sResponse.StartsWith("250"))
throw new Exception("Invalid response to HELO");
oSimulator.Send("EHLO TEST.COM\r\n");
sResponse = oSimulator.Receive();
if (!sResponse.StartsWith("250"))
throw new Exception("Invalid response to HELO");
oSimulator.Disconnect();
}
public void TestTooManyInvalidCommandsTempError()
{
hMailServer.Account account = SingletonProvider<Utilities>.Instance.AddAccount(_domain, "*****@*****.**", "test");
for (int i = 0; i < 10; i++)
SingletonProvider<Utilities>.Instance.AddAccount(_domain, string.Format("test{0}@test.com", i), "test");
hMailServer.Application application = SingletonProvider<Utilities>.Instance.GetApp();
hMailServer.Settings settings = _settings;
settings.DisconnectInvalidClients = true;
settings.MaxNumberOfInvalidCommands = 5;
settings.AntiSpam.GreyListingEnabled = true;
SMTPClientSimulator sim = new SMTPClientSimulator();
sim.Connect(25);
string res = sim.Receive();
sim.Send("EHLO test.com\r\n");
res = sim.Receive();
sim.Send("MAIL FROM: <*****@*****.**>\r\n");
res = sim.Receive();
for (int i = 1; i < 10; i++)
{
string address = string.Format("test{0}@test.com", i);
sim.Send("RCPT TO: " + address + "\r\n");
res = sim.Receive();
Assert.AreEqual("451 Please try again later.\r\n", res);
}
sim.Disconnect();
}