//[ExpectedException(typeof(Win32Exception), ExpectedMessage="DNS name does not exist")]
public void TestQueryInvalidDomain()
{
Assert.Throws <Win32Exception>(() =>
{
const string domain = "thisdomaindoesnotexist123456.net";
DnsQuery.QueryMx(domain);
});
}
public void TestQueryMxSlashdot()
{
const string domain = "slashdot.org";
Log.InfoFormat("Query domain '{0}'", domain);
var mailExchangers = DnsQuery.QueryMx(domain);
LogMxs(domain, mailExchangers);
Assert.IsNotNull(mailExchangers);
Assert.AreEqual(mailExchangers.Count(), 1);
}
public void TestQueryMxSlashdot()
{
const string domain = "slashdot.org";
Log.Info("Query domain '{0}'", domain);
var mailExchangers = DnsQuery.QueryMx(domain);
LogMxs(domain, mailExchangers);
mailExchangers.ShouldNotBeNull();
mailExchangers.Count().ShouldEqual(1);
}
public void TestQueryMxGoogle()
{
const string domain = "google.com";
Log.Info("Query domain '{0}'", domain);
var mailExchangers = DnsQuery.QueryMx(domain);
LogMxs(domain, mailExchangers);
mailExchangers.ShouldNotBeNull();
5.ShouldEqual(mailExchangers.Count());
}
public void TestQueryMxTrademe()
{
const string domain = "trademe.co.nz";
Log.InfoFormat("Query domain '{0}'", domain);
var mailExchangers = DnsQuery.QueryMx(domain);
LogMxs(domain, mailExchangers);
Assert.IsNotNull(mailExchangers);
Assert.AreEqual(mailExchangers.Count(), 8);
}
public void TestQueryMxGoogle()
{
const string domain = "google.com";
Log.InfoFormat("Query domain '{0}'", domain);
var mailExchangers = DnsQuery.QueryMx(domain);
LogMxs(domain, mailExchangers);
Assert.IsNotNull(mailExchangers);
Assert.AreEqual(5, mailExchangers.Count());
}
public void TestQueryMxTrademe()
{
const string domain = "trademe.co.nz";
Log.Info("Query domain '{0}'", domain);
var mailExchangers = DnsQuery.QueryMx(domain);
LogMxs(domain, mailExchangers);
mailExchangers.ShouldNotBeNull();
mailExchangers.ShouldNotBeEmpty();
mailExchangers.Count().ShouldBeGreaterThanOrEqualTo(3);
}
public void TestDoubleQueryMxTrademe()
{
const string domain = "trademe.co.nz";
var mailExchangersQuery1 = DnsQuery.QueryMx(domain);
var mailExchangersQuery2 = DnsQuery.QueryMx(domain);
Log.Info("First");
LogMxs(domain, mailExchangersQuery1);
Log.Info("Second");
LogMxs(domain, mailExchangersQuery2);
Assert.IsNotNull(mailExchangersQuery1);
Assert.IsNotNull(mailExchangersQuery2);
Assert.AreEqual(mailExchangersQuery1.Count(), mailExchangersQuery2.Count);
}
public static string MakeDefaultTransport()
{
var env = Environment.GetEnvironmentVariable("LOG4NET_SMTP_CONFIG");
if (!string.IsNullOrEmpty(env))
{
LogLog.Debug(typeof(SmtpClientFactory), string.Format("Using environment based configuration '{0}", env));
return(env);
}
else
{
var domain = DnsUtils.GetDomainName();
if (!string.IsNullOrEmpty(domain))
{
var mxs = DnsQuery.QueryMx(domain);
var mxRecord = mxs.OrderBy(mx => mx.Preference).FirstOrDefault();
if (mxRecord != null && !string.IsNullOrEmpty(mxRecord.Name))
{
return(string.Format("smtp://smtp.{0}", mxRecord.Name));
}
else
{
LogLog.Debug(
typeof(SmtpClientFactory),
string.Format(
"The domain '{0}' has no MX record, using localhost as the SMTP smart host", domain));
return("smtp://localhost");
}
}
else
{
LogLog.Debug(
typeof(SmtpClientFactory),
"The machine has no domain name (primary DNS suffix), using localhost as the SMTP smart host");
return("smtp://localhost");
}
}
}
/// <summary>
/// Attempt to make a default SMTP transport URI. The URI is defaulted in the following
/// order:
/// <list type="bullet">
/// <item>From the environment variable 'NLOG_SMTP_CONFIG'</item>
/// <item>By querying if the host has a domain MX record</item>
/// <item>A local SMTP start host on port 25 with no authentication (e.g. IIS SMTP mailer)</item>
/// </list>
/// </summary>
public static string MakeDefaultTransport()
{
var env = Environment.GetEnvironmentVariable("NLOG_SMTP_CONFIG");
if (!string.IsNullOrEmpty(env))
{
InternalLogger.Debug("Using environment based configuration '{0}", env);
return(env);
}
else
{
var domain = DnsUtils.GetDomainName();
if (!string.IsNullOrEmpty(domain))
{
var mxs = DnsQuery.QueryMx(domain);
var mxRecord = mxs
.OrderBy(mx => mx.Preference)
.FirstOrDefault();
if (!string.IsNullOrEmpty(mxRecord?.Name))
{
return($"smtp://{mxRecord.Name}");
}
else
{
InternalLogger.Debug(
"The domain '{0}' has no MX record, using localhost as the SMTP smart host", domain);
return("smtp://localhost");
}
}
else
{
InternalLogger.Debug(
"The machine has no domain name (primary DNS suffix), using localhost as the SMTP smart host");
return("smtp://localhost");
}
}
}
public void TestQueryInvalidDomain()
{
const string domain = "thisdomaindoesnotexist123456.net";
DnsQuery.QueryMx(domain);
}