[xmail] XMail Win32 threads limit

2007-10-30 Thread Edinilson - ATINET
Since a week we could note a massive (and abnormal) smtp connections in our XMail server (XMail 1.25 Win32 on Windows 2000 Server). After many adjusts in XMail threads to support this DDOS, we could note an interesting thing: Windows 2000 Server does not support more than 1800 threads (counting

[xmail] Re: XMail Win32 threads limit

2007-10-30 Thread Tracy
I have not noticed this specifically with xmail, but I have noticed this with other applications. I wrote a very simple test application once (that did nothing but spawn threads which sat idle for 5 minutes, then exited). The count was right around 1800 when the application became unable to

[xmail] Re: XMail Win32 threads limit

2007-10-30 Thread CLEMENT Francis
Its not an os limit, more a 'process stack size' problem This problem is not OS dependent (even if the max number of threads = could be different from one to another) Xmail uses a one thread per connection model so the only think to do is = to=20 recompile xmail and re-link with stack size

[xmail] Re: XMail Win32 threads limit

2007-10-30 Thread Davide Libenzi
On Tue, 30 Oct 2007, Edinilson - ATINET wrote: Since a week we could note a massive (and abnormal) smtp connections in our XMail server (XMail 1.25 Win32 on Windows 2000 Server). After many adjusts in XMail threads to support this DDOS, we could note an interesting thing: Windows 2000

[xmail] 1.25-pre20

2007-10-30 Thread Davide Libenzi
I forgot about making the new pre-release: http://www.xmailserver.org/xmail-1.25-pre20.tar.gz http://www.xmailserver.org/xmail-1.25-pre20.win32bin.zip This has the new PSYNC timeout option, and I also updated OpenSSL binaries to the new version. - Davide - To unsubscribe from this list:

[xmail] Re: 1.25-pre20

2007-10-30 Thread Davide Libenzi
On Tue, 30 Oct 2007, Davide Libenzi wrote: I forgot about making the new pre-release: http://www.xmailserver.org/xmail-1.25-pre20.tar.gz http://www.xmailserver.org/xmail-1.25-pre20.win32bin.zip This has the new PSYNC timeout option, and I also updated OpenSSL binaries to the new

[xmail] Re: XMail Win32 threads limit

2007-10-30 Thread Edinilson - ATINET
Davide, how XMail handles the following situation: SERVER SIDE -EnableAuthSMTP-POP3 1 -Many CustMapsList configured MUA SIDE: -My server requires authentication *NOT* enabled The client try to send a message (smtp) AFTER a POP3 *BUT* your ip is listed in some blacklist configured in

[xmail] Re: XMail Win32 threads limit

2007-10-30 Thread Davide Libenzi
On Tue, 30 Oct 2007, Edinilson - ATINET wrote: Davide, how XMail handles the following situation: SERVER SIDE -EnableAuthSMTP-POP3 1 -Many CustMapsList configured MUA SIDE: -My server requires authentication *NOT* enabled The client try to send a message (smtp) AFTER a POP3 *BUT*