"The transport failed to connect to the server" It looks like the CDO implementation on the machine cannot access the mail server.
You config is fine for accessing an unauthenticated mail relay. Can you try telneting directly into your mail server from the box running your app: telnet madrid 25 Type in "HELO" the server should respond with some helpful message. Type "QUIT" to exit. Does this work? Have you tried specifying the smtpHost as a fully qualified domain name? or as an IP address? It may be that the CDO library cannot resolve the name. Are you running any local firewall software that may be blocking outbound connections, for some or all users or applications? There seems to be several other people having the same problem with various fixes discussed here: http://www.google.co.uk/search?q=transport+failed+to+connect+to+the+serv er+CDO Nicko > -----Original Message----- > From: Baron Schwartz [mailto:[EMAIL PROTECTED] > Sent: 21 March 2005 16:57 > To: [email protected] > Subject: SmtpAppender not working > > Hi, > > I've searched the web and read the manual and some of the > code, but feel free to point me somewhere there's an > answer... I can't find much on this. > > My SmtpAppender isn't able to connect to the smtpHost. I'm > on Windows using MS framework v1.1. Here's my config file > ([EMAIL PROTECTED] is bogus -- I'm using a real value), test code, > and the error I'm getting in the console window when the log > fails to email. The SMTP server, madrid, is an open relay > inside our firewall, which requires no authentication or anything. > I send mail with it from a bunch of other apps. > > One thing I did notice, is that apparently there are some > other parameters I could be putting in the config file, but > I'm not sure what they should be (the example config seems to > be incomplete). Starting at SmtpAppender.cs, and looking at > its properties, it looks like username, password etc *could* > be put in the config file. I didn't read through enough of > the code to determine what the parameters would be named, > because they wouldn't be necessary for this application, but > if someone points me to how I can find it out (short of > stepping through the code) I'm happy to update the example, > or augment it with a more complete example. > > Thanks for any help. > > --- Snip --- > <?xml version="1.0" encoding="utf-8" ?> > <configuration> > <configSections> > <section name="log4net" > type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" /> > </configSections> > <log4net> > <appender name="SmtpAppender" > type="log4net.Appender.SmtpAppender"> > <to value="[EMAIL PROTECTED]" /> > <from value="[EMAIL PROTECTED]" /> > <subject value="Baaaaad error" /> > <smtpHost value="madrid" /> > <bufferSize value="4" /> > <lossy value="true" /> > <evaluator type="log4net.Core.LevelEvaluator"> > <threshold value="WARN"/> > </evaluator> > <layout type="log4net.Layout.PatternLayout"> > <conversionPattern value="%-5p %-20t %d %c > line %L%n %m%n" /> > </layout> > </appender> > <root> > <appender-ref ref="SmtpAppender" /> > </root> > </log4net> > <appSettings> > </appSettings> > </configuration> > --- Snip --- > using System; > using log4net; > using log4net.Config; > namespace TestHarness { > public class TestHarness { > static readonly ILog log = > LogManager.GetLogger(typeof(TestHarness)); > public static void Main(string[] args) { > XmlConfigurator.Configure(); > log.Warn("hey, this is an error!"); > } > } > } > --- Snip --- > log4net:ERROR [SmtpAppender] Error occurred while sending > e-mail notification. > System.Web.HttpException: Could not access 'CDO.Message' > object. ---> System.Ref > lection.TargetInvocationException: Exception has been thrown > by the target of an invocation. ---> > System.Runtime.InteropServices.COMException > (0x80040213): The > transport failed to connect to the server. > > --- End of inner exception stack trace --- > at System.RuntimeType.InvokeDispMethod(String name, > BindingFlags invokeAttr, Object target, Object[] args, > Boolean[] byrefModifiers, Int32 culture, String[] > namedParameters) > at System.RuntimeType.InvokeMember(String name, > BindingFlags invokeAttr, Bind er binder, Object target, > Object[] args, ParameterModifier[] modifiers, CultureI nfo > culture, String[] namedParameters) > at System.Type.InvokeMember(String name, BindingFlags > invokeAttr, Binder bind er, Object target, Object[] args) > at System.Web.Mail.LateBoundAccessHelper.CallMethod(Type > type, Object obj, St ring methodName, Object[] args) > at System.Web.Mail.LateBoundAccessHelper.CallMethod(Object > obj, String method Name, Object[] args) > --- End of inner exception stack trace --- > at System.Web.Mail.LateBoundAccessHelper.CallMethod(Object > obj, String method Name, Object[] args) > at System.Web.Mail.CdoSysHelper.Send(MailMessage message) > at System.Web.Mail.SmtpMail.Send(MailMessage message) > at log4net.Appender.SmtpAppender.SendBuffer(LoggingEvent[] events) >
