On Wed, 7 Mar 2001, Jason Sowers wrote: > I have Version 8.11.0-8 of sendmail running on a RH 7.0 box through a > dial-up connection. This is supporting about 100 users that are using it > consistently with LookOut as the Client. I used to run this same > configuration on a 6.2 box, don't remember what the Sendmail version was. > > I have a problem when messages are sent, the users are getting the message > No transport provider available. This is not a consistent but rather a once > in a while occurrence. Does anyone have any ideas why this might be > occurring? Some of the messages actually do get sent into the mail queue as > if they are going to be sent, but Look Out still gets the message. Is there > a timeout in Sendmail that is causing this response? I only believe that it > has to be Sendmail because the old box never gave me the problem. > > Any suggestions? URLs at Microsoft: OL97: http://support.microsoft.com/support/kb/articles/q176/7/31.asp OL98: http://support.microsoft.com/support/kb/articles/Q180/4/84.ASP Most likely one I can see is what they call the "* Anti-Spam software on the SMTP server of your current Internet Service Provider (ISP) which blocks messages from a different ISP address.", which, to mean, means that the mail server rejects the message for whatever reason. Can you get log files of when this is happening? -- Nate Carlson <natecars at real-time.com> | Phone : (952)943-8700 http://www.real-time.com | Fax : (952)943-8500