Re: [Synalist] Bad byte order for SMTP port on some (very few) computers?

[Lukas G. <geb...@ml...>]

On what operating systems is port OK, and on what operating systems are 
ports broken?

> I've been using Synapse successfully for a couple of years now. But now I
> have found a problem that I havn't been able to solve.
> 
> The problem occurs when I'm using the SMTP components to send mail. I have
> one compiled .exe-file, that I use to send mail through SMTP. This
> application works on about 60-70 computers right now. But the last week I
> installed it on a new computer, and I can't get it to work correctly.
> 
> The problem is that the SMTP client tries to connect to port 6400
> instead of 25. The change of the port number seems to be caused by wrong
> byte order on the sin_port variable ($1900 = 6400, $0019 = 25) (which is
> supposed to be in network byte order). However, I have exactly the same
> setup on all other computers, and it works fine on them. When I change the
> port number to 6400 on the SMTP component it actually connects to port 25
> instead (which of course makes sense). On the same computer I'm running
> other software with different IP-libraries, and they connect to the
> correct port number.
> 
> Has anyone seen this problem before?
> 
> Best regards,
> 
> Peter Olsson
> Visionutveckling AB
> 
> 


--
Lukas Gebauer.

E-mail: geb...@ml...
WEB: http://www.ararat.cz/synapse - Synapse Delphi and Kylix TCP/IP 
Library