[twsocket] [tsyncsmtpcli] Problem sending email to Exchange 2000 server

2005-09-19 Thread Pete Williams
Hi (Before saying this is a server problem, read the whole message, as it's got us confused) Our ICS-based email app (using TSnycSMTPCli) work fine most of the time. We have once instance though where when sending external emails (i.e., emails that require to be sent over the internet, not

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange 2000 server

2005-09-19 Thread DZ-Jay
A few things come to mind. First, what kind of SMTP Server is receiving the e-mails on the other end? This might be important, as some servers have some weird, non-standard requirements or modus operandi. Second, are you positive that your ICS application is sending a QUIT command at the

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange2000 server

2005-09-19 Thread Pete Williams
Wow thanks for your quick reply. I'll reply between the lines. First, what kind of SMTP Server is receiving the e-mails on the other end? Exchange 2000 server. Second, are you positive that your ICS application is sending a QUIT command at the end of the transaction? I believe so. The

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange2000 server

2005-09-19 Thread DZ-Jay
Pete Williams wrote: First, what kind of SMTP Server is receiving the e-mails on the other end? Exchange 2000 server. Well, that says something: OE (from MS, maker of Exchange) is being accepted, but not your custom client. There might be some special header that it is looking for that

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange2000 server

2005-09-19 Thread DZ-Jay
DZ-Jay wrote: Another thing to consider is the source IP: the Exchange server might be rejecting messages from your client's IP address. Nevermind that comment. I just re-read your original post, and you are testing both clients from the same machine. dZ. -- To unsubscribe or

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange 2000server

2005-09-19 Thread Francois Piette
Verify that OE use SMTP and don't use IMAP4. Use a netwrok sniffer to see exactly what OE does and what your program does (you can simply log what your program does). -- Contribute to the SSL Effort. Visit http://www.overbyte.be/eng/ssl.html -- [EMAIL PROTECTED] Author of ICS (Internet Component

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange2000server

2005-09-19 Thread Pete Williams
Hi Verify that OE use SMTP and don't use IMAP4. It definately uses SMTP. Pete - Original Message - From: Francois Piette [EMAIL PROTECTED] To: ICS support mailing twsocket@elists.org Sent: Monday, September 19, 2005 4:03 PM Subject: Re: [twsocket] [tsyncsmtpcli] Problem sending email

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange 2000server

2005-09-19 Thread DZ-Jay
Francois Piette wrote: Verify that OE use SMTP and don't use IMAP4. Use a netwrok sniffer to see exactly what OE does and what your program does (you can simply log what your program does). You can try Wilfried's SocketSpy proxy from the UserMade section of the ICS Home Page. dZ.

Re: [twsocket] [tsyncsmtpcli] Problem sending email toExchange 2000server

2005-09-19 Thread Arno Garrels
DZ-Jay wrote: Francois Piette wrote: Verify that OE use SMTP and don't use IMAP4. Use a netwrok sniffer to see exactly what OE does and what your program does (you can simply log what your program does). You can try Wilfried's SocketSpy proxy from the UserMade section of the ICS Home Page.

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange2000server

2005-09-19 Thread Jake Traynham
Hello, At 10:16 AM 9/19/2005, you wrote: Hi Verify that OE use SMTP and don't use IMAP4. It definately uses SMTP. Are you absolutely sure? We get customers emailing us all the time saying Outlook works fine, but your [SMTP based program] won't send emails outside of our domain! It's

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange2000server

2005-09-19 Thread Pete Williams
/listinfo/twsocket Visit our website at http://www.overbyte.be __ NOD32 1.1220 (20050919) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com -- To unsubscribe or change your settings for TWSocket mailing list please goto http://www.elists.org

Re: [twsocket] [tsyncsmtpcli] Problem sending email to Exchange 2000server

2005-09-19 Thread Wilfried Mestdagh
Hello Francois, Verify that OE use SMTP and don't use IMAP4. Is IMAP also used to send emails ? I have the problem that M$ Echange complains it will not relay, but sending with outlook to same destination it works. So probably this is the reason... --- Rgds, Wilfried http://www.mestdagh.biz

Re: [twsocket] [tsyncsmtpcli] Problem sending email toExchange2000server

2005-09-19 Thread Pete Williams
Hi No, it is *not* using IMAP4 - it's Outlook Express (not Outlook) we're using. They have the same name but are quite different. However, we will get a non-MS email client like pheonix tried out tomorrow. I'll post on my findings. Pete. - Original Message - From: Francois PIETTE

Re: [twsocket] abnormal winsock behaviour by firewall

2005-09-19 Thread Piotr Dałek
Hello! Hello, Just information because I think this is interesting to know: Normally when I want to know if there is a server on a machine I try to connect on the port where it should listen and check Error argument in OnSessionConnected. If you do this on a machine where Norton