I guess the thing is, no matter what, there are pitfulls. If the client in not connected to the internet, your stuffed, if they are, you need to check if they go online and then send the data etc. Its kinda tricky, but hopfuly you have got enought ideas to make a decission.
You could always put a wee GPS tracking unit on the machines :-) Jeremy -----Original Message----- From: Matt Dee <[EMAIL PROTECTED]> To: Multiple recipients of list delphi <[EMAIL PROTECTED]> Date: Fri, 13 Dec 2002 16:05:58 +1300 Subject: Re: Re: [DUG]: boss's lates idea > > Will the customer know that this is happening? If so than using email > is > > a > > very simple way of doing it (probably only a few minutes work). If > not > > the > > idea is full of problems, many clients who have internet will also > use > > proxy's / firewalls etc which could all cause problems. > > There's a possible pitfall if using email - if you hard code the > program to > use a certain SMTP server (say your ISPs when you're testing it) and > the > customer connects to the net via a differnet ISP then your requests to > the > SMTP server may be ignored. Most ISPs only allow their SMTP server to > respond to IP numbers from within their own address range (i.e. their > customers). This is basically so people cannot use their servers to > send > off spam. > > You'll either have let the customer set the SMTP server, or find out > beforehand what their ISP is going to be. (Or set up your own server > in > which case you might as well just write a client server app instead.) > ----------------------------------------------------------------------- > ---- > New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED] > Website: http://www.delphi.org.nz > To UnSub, send email to: [EMAIL PROTECTED] > with body of "unsubscribe delphi" > Web Archive at: http://www.mail-archive.com/delphi%40delphi.org.nz/ --------------------------------------------------------------------------- New Zealand Delphi Users group - Delphi List - [EMAIL PROTECTED] Website: http://www.delphi.org.nz To UnSub, send email to: [EMAIL PROTECTED] with body of "unsubscribe delphi" Web Archive at: http://www.mail-archive.com/delphi%40delphi.org.nz/
