Win XP, SMTP, and Socket Error 10053

Billism

My email client (I programmed) recently has stopped being able to send
email with my XP machine. I have had 3 other friends test it and the same
thing happens. The program has not changed, but Windows XP has.

My program can connect to any other port (that I've tried) on a remote
machine. However, when trying to connect to port 25 (SMTP), immediately,
socket error 10053 occurs, and the socket fails to connect because of it.
The problem is not just with my program, but others such as AgileMail
(http://www.flashpeak.com/agilemail/agilemail.htm) and Simple Email Client
(http://www.codeguru.com/Cpp/I-N/int...icle.php/c3441/).

The problem is only with Windows XP. I think it has to do something with a
recent Windows XP update. It seems like it may be some kind of security
issue whwn a program tries to connect to a remote port 25.

Yes, Eudora can send email just fine.

Does anyone know what the problem is? I am stumped.

Jul 22 '05 #1

Subscribe Post Reply

3681

David Lindauer

did the firewall get turned on? What about the proxy client?

Billism wrote:

My email client (I programmed) recently has stopped being able to send
email with my XP machine. I have had 3 other friends test it and the same
thing happens. The program has not changed, but Windows XP has.

My program can connect to any other port (that I've tried) on a remote
machine. However, when trying to connect to port 25 (SMTP), immediately,
socket error 10053 occurs, and the socket fails to connect because of it.
The problem is not just with my program, but others such as AgileMail
(http://www.flashpeak.com/agilemail/agilemail.htm) and Simple Email Client
(http://www.codeguru.com/Cpp/I-N/int...icle.php/c3441/).

The problem is only with Windows XP. I think it has to do something with a
recent Windows XP update. It seems like it may be some kind of security
issue whwn a program tries to connect to a remote port 25.

Yes, Eudora can send email just fine.

Does anyone know what the problem is? I am stumped.

Jul 22 '05 #2

Billism

The firewall was turned on. I tried disabling it, the same thing.

And proxy client, I am not using a proxy. These programs connect directly
to the SMTP server, on port 25.

Jul 22 '05 #3

google

Belated response...

I've been going nuts trying to use blat, a program that sends smtp
emails. I've been using it without any problems for some months - and
now I get the socket error 100053 every time I use it.

However I've just discovered that if I turn my McAfee VirusScan 8 off
it'll work fine. No more socket errors.

HTH

Steve

Jul 22 '05 #4

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