I have an application that sends simple e-mails using SMTP, it no longer
works with a lot of e-mail servers.
Basically the problem seems to be that I am no longer sending a valid logon
sequence. The server says the user is not authorized, if I switch to
Outlook it works.
Code to send authorizion.
this.SendData("AUTH LOGIN" + CRLF);
string user =
Convert.ToBase64String(System.Text.ASCIIEncoding.A SCII.GetBytes(this.User));
this.SendData(user + CRLF);
string pw =
Convert.ToBase64String(System.Text.ASCIIEncoding.A SCII.GetBytes(this.Password));
result = this.SendData(pw + CRLF);
if(result.StartsWith("235"))
break;
This is what outlook is doing per the log file:
[tx] AUTH NTLM
<rx> 334 NTLM supported
[tx] TlRM.....
Any one know how to send NTLM type logon or another methed to work around
this problem?
Regards,
John 5 2186 http://curl.netmirror.org/rfc/ntlm.html looks like a good starting point.
Any reason for not using the System.Web.Mail class that is part of the .NET
framework ? The fields property (with 1.1) allows to define how you'll
access to the SMTP server : http://www.codeproject.com/dotnet/Sy..._SMTP_AUTH.asp
Patrice
--
"John J. Hughes II" <no@invalid.com> a écrit dans le message de
news:e4**************@tk2msftngp13.phx.gbl... I have an application that sends simple e-mails using SMTP, it no longer works with a lot of e-mail servers.
Basically the problem seems to be that I am no longer sending a valid
logon sequence. The server says the user is not authorized, if I switch to Outlook it works.
Code to send authorizion.
this.SendData("AUTH LOGIN" + CRLF); string user =
Convert.ToBase64String(System.Text.ASCIIEncoding.A SCII.GetBytes(this.User)); this.SendData(user + CRLF); string pw =
Convert.ToBase64String(System.Text.ASCIIEncoding.A SCII.GetBytes(this.Passwor
d)); result = this.SendData(pw + CRLF); if(result.StartsWith("235")) break;
This is what outlook is doing per the log file:
[tx] AUTH NTLM <rx> 334 NTLM supported [tx] TlRM.....
Any one know how to send NTLM type logon or another methed to work around this problem?
Regards, John
Patrice,
Thanks for the lead...
I would perfer to use the System.Web.Mail and that is what I used in the
first place. I recall running into a problem if IIS was not installed since
it use that or something.
Oh well I have tried again and am getting this error, any suggestion?
Error:Could not access 'CDO.Message' object.
Inner:Exception has been thrown by the target of an invocation.
Stack: at System.Web.Mail.LateBoundAccessHelper.CallMethod(O bject obj,
String methodName, Object[] args)
at System.Web.Mail.CdoSysHelper.Send(MailMessage message)
at System.Web.Mail.SmtpMail.Send(MailMessage message)
at RAMSComThrd.sendAlarm..ctor(String ac, String num, String data) in
c:\documents and settings\all users\documents\shared
vsp\work\ramscomthrd\sendalarm.cs:line 70
at MailTest.Form1.btnTest_Click(Object sender, EventArgs e) in
c:\documents and settings\john @ work\my documents\visual studio
projects\mailtest\form1.cs:line 494
Regards,
John
Yes, you need to install the SMTP service first (IMO this service doesn't
require IIS itself).
Patrice
--
"John J. Hughes II" <no@invalid.com> a écrit dans le message de
news:%2****************@tk2msftngp13.phx.gbl... Patrice,
Thanks for the lead...
I would perfer to use the System.Web.Mail and that is what I used in the first place. I recall running into a problem if IIS was not installed
since it use that or something.
Oh well I have tried again and am getting this error, any suggestion?
Error:Could not access 'CDO.Message' object. Inner:Exception has been thrown by the target of an invocation. Stack: at System.Web.Mail.LateBoundAccessHelper.CallMethod(O bject obj, String methodName, Object[] args) at System.Web.Mail.CdoSysHelper.Send(MailMessage message) at System.Web.Mail.SmtpMail.Send(MailMessage message) at RAMSComThrd.sendAlarm..ctor(String ac, String num, String data) in c:\documents and settings\all users\documents\shared vsp\work\ramscomthrd\sendalarm.cs:line 70 at MailTest.Form1.btnTest_Click(Object sender, EventArgs e) in c:\documents and settings\john @ work\my documents\visual studio projects\mailtest\form1.cs:line 494
Regards, John
Patrice,
Thanks.
Regards,
John www.vbip.com
John J. Hughes II wrote: Patrice,
Thanks.
Regards, John This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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