Glen Thanks for your response.
Sadly I have no control over the 'other end'. This is a service provided by a third party and my only interface is to send an email - first email wins the prize. I assume there is some app sitting at the other end monitoring the mailbox. Dave Glenn B. Lawler wrote: >Dave, > > > >>I have written a small app which, having identified a certain condition >>needs to get an email into a particular mailbox as quickly as possible. >>The email is simple plain text of only about 550 characters. >> >>The app is running on a dedicated, hosted server so I'm content that its >>internet connection is as fast as economically possible. I'm doing a >>DNS resolution to get the IP address of the preferred SMTP server at the >>destination domain. I use the Indy TIdSMTP component (Indy 9) and I >>have code in place which ensures that it remains connected to that SMTP >>server ready for when I need it. It's taking about 150ms on average for >>the call to Send() to return. >> >> >> > >When you are concerned about immediacy in terms of milliseconds, e-mail is >not the way to convey the information. It is not just getting the e-mail to >the e-mail server, I assume that someone's e-mail client must pickup the >e-mail from the server before it is available to the addressee. That delay >could be significant, even for client-server based e-mail clients. For non >client-server e-mail clients that poll the server, the delay will be >average in minutes. > >You may want to consider something more direct, like a TCP/IP packet sent >directly to the workstation of the addressee. > >Glenn Lawler > > > >----------------------------------------------------- >Home page: http://groups.yahoo.com/group/delphi-en/ >To unsubscribe: [EMAIL PROTECTED] >Yahoo! Groups Links > > > > > > > > > > ----------------------------------------------------- Home page: http://groups.yahoo.com/group/delphi-en/ To unsubscribe: [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/delphi-en/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
