Unable to authenticate at present (435)

0 votes
asked Apr 18, 2011 by Rajat (180 points)
edited Apr 22, 2011


I received "Unable to authenticate at present (435)" error and I am trying to figure out what might have caused this problem.

Here is the stack trace:

Source: Rebex.Net.Smtp  
Stack Trace:  
   at Rebex.Net.Smtp.cgrDQE(Int32 , Boolean )  
   at Rebex.Net.Smtp.cHoXin(String , String , SmtpAuthentication , GssApiProvider )  
   at Rebex.Net.Smtp.Login(String userName, String password, SmtpAuthentication method)

Your help would be greatly appreciated!

Thank you, Rajat

Applies to: Rebex Secure Mail

2 Answers

0 votes
answered Apr 18, 2011 by Lukas Matyska (61,230 points)
edited Apr 18, 2011

It seems this is a problem of your SMTP server. Are you able to log into your SMTP server using other client?

In this forum they recommend to reinstall Exim (also here they suggest to do the same).

0 votes
answered Apr 18, 2011 by Rajat (180 points)
edited Apr 18, 2011

Hi Lukas,

Thanks for your prompt response. The error was logged multiple times one day few weeks back. It has been working fine since then. We are using the Rebex-SMTP package so I was just wanted to make sure that the error was not one of Rebex-STMP custom errors.